PlayersShintaro Mochizuki
Historical archive. Facts and results reflect the period recorded.
Personal details
| Field | Value |
|---|
| Date of birth | 2 June 2003 (23) |
| Place of birth | Kawasaki |
| Country | Japan |
Career
| Field | Value |
|---|
| ATP ranking | 117 |
| Career-high ATP ranking | 92 (week 46 / 2025) |
| Career singles record | 36 11 25 |
| Career doubles record | 2 2 |
Nearby players in the rankings
| Rank | Name | Points |
|---|
| 116 | Patrick Kypson | 540 |
| 117 | Shintaro Mochizuki | 532 |
| 118 | Piros Zsombor | 530 |
Recent matches
| Opponent | Result |
|---|
| Jannik Sinner | Loss |
| Philip Sekulic | Win |
| Duncan Chan | Win |
| Johannus Monday | Win |
| Liam Draxl | Loss |
| Charles Broom | Win |
| Hayato Matsuoka | Loss |
| Fabian Marozsan | Loss |
| Soon Woo Kwon | Loss |
| Jakub Mensik | Loss |
Season 2022
| Tournament | Competition | Date | Finish |
|---|
| Yokkaichi Japan | ATP Challenger | 22 November 2022 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 24 November 2022 | S. Mochizuki / F. Ferreira Silva | 6:3 · 1:6 · 3:6 · 1:2 |
| First round · 22 November 2022 | S. Mochizuki / Y. Mochizuki [Q] | 6:1 · 6:1 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Kobe Japan | ATP Challenger | 16 November 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 16 November 2022 | S. Mochizuki [Q] / N. Nakagawa [Q] | 4:6 · 2:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Matsuyama Japan | ATP Challenger | 8 November 2022 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 12 November 2022 | S. Mochizuki [WC] / S. Hong [Q] | 1:6 · 6:2 · 3:6 · 1:2 |
| Quarter-final · 11 November 2022 | S. Mochizuki [WC] / N. Ionel | 6:4 · 6:7 · 7:6 · 2:1 |
| Round of 16 · 10 November 2022 | D. Dzumhur [6] / S. Mochizuki [WC] | 7:5 · 6:7 · 4:6 · 1:2 |
| First round · 8 November 2022 | S. Mochizuki [WC] / F. Jianu | 6:3 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Yokohama Japan | ATP Challenger | 1 November 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 1 November 2022 | S. Mochizuki / N. Serdarusic | 3:6 · 7:6 · 1:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Busan South Korea | ATP Challenger | 18 October 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 18 October 2022 | S. Mochizuki [Q] / A. Vukic | 4:6 · 3:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Seoul South Korea | ATP Challenger | 11 October 2022 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 14 October 2022 | S. Mochizuki [Q] / K. Majchrzak [8] | 3:6 · 0:6 · 0:2 |
| Round of 16 · 13 October 2022 | S. Mochizuki [Q] / M. Neuchrist [Q] | 6:4 · 2:6 · 6:4 · 2:1 |
| First round · 11 October 2022 | E. Gomez [4] / S. Mochizuki [Q] | 7:5 · 4:6 · 4:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Rakuten Japan Open Tennis Championships Japan | ATP Tour | 3 October 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 3 October 2022 | B. Nakashima / S. Mochizuki [WC] | 6:3 · 6:2 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Korea Open South Korea | ATP Tour | 29 September 2022 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 29 September 2022 | S. Mochizuki [LL] / M. McDonald | 3:6 · 4:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Winston-Salem Open USA | ATP Tour | 22 August 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 22 August 2022 | S. Mochizuki [Q] / A. Tabilo | 6:4 · 2:6 · 4:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Winnipeg Canada | ATP Challenger | 26 July 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 26 July 2022 | G. Olivieri [8] / S. Mochizuki | 4:6 · 6:4 · 6:0 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Rome USA | ATP Challenger | 11 July 2022 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 13 July 2022 | S. Mochizuki / J. Wolf [2] | 3:6 · 6:7 · 0:2 |
| First round · 11 July 2022 | S. Riffice / S. Mochizuki | 6:7 · 6:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Milan Italy | ATP Challenger | 21 June 2022 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 24 June 2022 | S. Mochizuki / A. Shevchenko [5] | 3:6 · 1:6 · 0:2 |
| Round of 16 · 22 June 2022 | S. Mochizuki / G. Ferrari | 6:4 · 4:6 · 6:2 · 2:1 |
| First round · 21 June 2022 | S. Mochizuki / A. Paulson | 6:0 · 6:1 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Blois France | ATP Challenger | 14 June 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 14 June 2022 | S. Mochizuki / G. Olivieri | 6:3 · 4:6 · 2:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Troisdorf Germany | ATP Challenger | 24 May 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 24 May 2022 | S. Mochizuki / H. Squire | 6:3 · 5:7 · 4:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Morelos Mexico | ATP Challenger | 27 April 2022 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 28 April 2022 | S. Diez / S. Mochizuki [2] | 7:6 · 6:3 · 2:0 |
| First round · 27 April 2022 | S. Mochizuki [2] / T. van Rijthoven [2] | 2:6 · 7:6 · 6:4 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Aguascalientes Mexico | ATP Challenger | 20 April 2022 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 21 April 2022 | S. Mochizuki / N. Jarry [2] | 2:6 · 4:6 · 0:2 |
| First round · 20 April 2022 | S. Mochizuki / A. Santillan | 6:3 · 6:2 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| San Luis Potosi Mexico | ATP Challenger | 12 April 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 12 April 2022 | G. Oliveira / S. Mochizuki | 6:4 · 7:5 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Quimper France | ATP Challenger | 25 January 2022 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 25 January 2022 | H. Moriya / S. Mochizuki | 6:4 · 6:1 · 2:0 |
Season 2023
| Tournament | Competition | Date | Finish |
|---|
| Kobe Japan | ATP Challenger | 14 November 2023 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 17 November 2023 | S. Shimabukuro [5] / S. Mochizuki [2] | 6:3 · 6:3 · 2:0 |
| Round of 16 · 16 November 2023 | Y. Bai [LL] / S. Mochizuki [2] | 3:6 · 2:6 · 0:2 |
| First round · 14 November 2023 | G. Fonio [Q] / S. Mochizuki [2] | 6:4 · 2:6 · 3:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Matsuyama Japan | ATP Challenger | 7 November 2023 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 9 November 2023 | G. Blancaneaux / S. Mochizuki [2] | 7:5 · 6:3 · 2:0 |
| First round · 7 November 2023 | N. Nakagawa [Q] / S. Mochizuki [2] | 2:6 · 2:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Sydney Australia | ATP Challenger | 30 October 2023 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 3 November 2023 | S. Mochizuki [5] / T. Daniel [3] | 1:3 |
| Round of 16 · 1 November 2023 | S. Mochizuki [5] / K. Uchida | 7:6 · 7:5 · 2:0 |
| First round · 30 October 2023 | S. Mochizuki [5] / O. Jasika | 6:4 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Japan Open Tennis Championships Japan | ATP Tour | 17 October 2023 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 21 October 2023 | S. Mochizuki [WC] / A. Karatsev | 3:6 · 4:6 · 0:2 |
| Quarter-final · 20 October 2023 | S. Mochizuki [WC] / A. Popyrin | 7:5 · 2:6 · 7:5 · 2:1 |
| Round of 16 · 19 October 2023 | T. Fritz [1] / S. Mochizuki [WC] | 6:0 · 4:6 · 6:7 · 1:2 |
| First round · 17 October 2023 | S. Mochizuki [WC] / T. Etcheverry | 6:4 · 7:6 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Winnipeg Canada | ATP Challenger | 15 August 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 15 August 2023 | Y. Hsu / S. Mochizuki | 6:3 · 6:3 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Cary USA | ATP Challenger | 7 August 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 7 August 2023 | S. Mochizuki / L. Harris | 7:6 · 3:6 · 2:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Mubadala Citi DC Open USA | ATP Tour | 1 August 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 1 August 2023 | S. Mochizuki [Q] / G. Barrere | 4:6 · 7:6 · 3:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Infosys Hall of Fame Open USA | ATP Tour | 17 July 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 17 July 2023 | L. Broady / S. Mochizuki | 6:1 · 7:5 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Wimbledon England | Grand Slam | 5 July 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 5 July 2023 | S. Mochizuki [Q] / T. Paul [16] | 5:7 · 3:6 · 1:6 · 0:3 |
| Tournament | Competition | Date | Finish |
|---|
| Tunis Tunisia | ATP Challenger | 16 May 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 16 May 2023 | T. Tirante [5] / S. Mochizuki [Q] | 6:4 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Prague (II) Czechia | ATP Challenger | 9 May 2023 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 12 May 2023 | S. Mochizuki / A. Moro Canas [ALT] | 3:6 · 4:6 · 0:2 |
| Round of 16 · 11 May 2023 | N. Gombos [3] / S. Mochizuki | 6:7 · 6:7 · 0:2 |
| First round · 9 May 2023 | S. Mochizuki / M. Vrbensky [WC] | 7:5 · 6:3 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Ostrava Czechia | ATP Challenger | 25 April 2023 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 29 April 2023 | S. Mochizuki [ALT] / Z. Kolar | 3:6 · 6:2 · 2:6 · 1:2 |
| Quarter-final · 28 April 2023 | S. Mochizuki [ALT] / D. Dzumhur [8] | 5:7 · 6:2 · 6:3 · 2:1 |
| Round of 16 · 27 April 2023 | J. Mensik [WC] / S. Mochizuki [ALT] | 6:1 · 2:6 · 6:7 · 1:2 |
| First round · 25 April 2023 | G. Andreozzi [Q] / S. Mochizuki [ALT] | 6:2 · 4:6 · 1:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Split Croatia | ATP Challenger | 11 April 2023 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 12 April 2023 | Z. Piros / S. Mochizuki | 6:4 · 7:6 · 2:0 |
| First round · 11 April 2023 | H. Mayot [ALT] / S. Mochizuki | 2:6 · 6:1 · 2:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Barletta Italy | ATP Challenger | 3 April 2023 | Champion |
| Round / date | Players | Set scores |
|---|
| Final · 9 April 2023 | S. Mochizuki / S. Rodriguez Taverna | 6:1 · 6:4 · 2:0 |
| Semi-final · 8 April 2023 | S. Mochizuki / F. Agamenone [3] | 6:4 · 5:7 · 6:2 · 2:1 |
| Quarter-final · 7 April 2023 | S. Mochizuki / Z. Piros | 6:4 · 6:1 · 2:0 |
| Round of 16 · 6 April 2023 | J. Torres / S. Mochizuki | 2:6 · 5:7 · 0:2 |
| First round · 3 April 2023 | F. Arnaboldi [WC] / S. Mochizuki | 2:6 · 3:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| St. Brieuc France | ATP Challenger | 20 March 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 20 March 2023 | G. Onclin [5] / S. Mochizuki | 6:2 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Puerto Vallarta Mexico | ATP Challenger | 8 March 2023 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 9 March 2023 | S. Mochizuki / G. Elias | 3:6 · 6:2 · 6:7 · 1:2 |
| First round · 8 March 2023 | R. Pacheco Mendez [WC] / S. Mochizuki | 5:7 · 3:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Waco USA | ATP Challenger | 28 February 2023 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 3 March 2023 | B. Gojo [6] / S. Mochizuki [Q] | 6:2 · 4:0 |
| Round of 16 · 2 March 2023 | A. Galarneau / S. Mochizuki [Q] | 3:6 · 3:6 · 0:2 |
| First round · 28 February 2023 | S. Mochizuki [Q] / R. Hijikata [2] | 3:6 · 7:6 · 7:5 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Rome USA | ATP Challenger | 21 February 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 21 February 2023 | S. Mochizuki / E. Leshem | 7:6 · 3:6 · 2:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Tenerife (III) Spain | ATP Challenger | 7 February 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 7 February 2023 | F. Passaro [1] / S. Mochizuki [Q] | 6:3 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Tenerife (II) Spain | ATP Challenger | 31 January 2023 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 2 February 2023 | S. Mochizuki [Q] / M. Arnaldi [2] | 0:6 · 6:2 · 3:6 · 1:2 |
| First round · 31 January 2023 | M. Gigante [Q] / S. Mochizuki [Q] | 4:6 · 6:2 · 1:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Nonthaburi (III) Thailand | ATP Challenger | 17 January 2023 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 19 January 2023 | S. Mochizuki [Q] / T. Sandgren | 3:6 · 1:6 · 0:2 |
| First round · 17 January 2023 | P. Jubb [5] / S. Mochizuki [Q] | 6:2 · 4:6 · 5:7 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Nonthaburi (II) Thailand | ATP Challenger | 10 January 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 10 January 2023 | D. Michalski [6] / S. Mochizuki | 3:6 · 7:5 · 6:3 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Nonthaburi Thailand | ATP Challenger | 2 January 2023 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 2 January 2023 | S. Mochizuki / A. Escoffier [4] | 4:6 · 7:6 · 2:6 · 1:2 |
Season 2024
| Tournament | Competition | Date | Finish |
|---|
| Yokkaichi Japan | ATP Challenger | 27 November 2024 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 30 November 2024 | S. Mochizuki / R. Sakamoto [WC] | 2:6 · 6:4 · 4:6 · 1:2 |
| Quarter-final · 29 November 2024 | S. Mochizuki / L. Tu [6] | 6:4 · 1:6 · 6:4 · 2:1 |
| Round of 16 · 28 November 2024 | Y. Nishioka [1] / S. Mochizuki | 0:0 · 0:0 |
| First round · 27 November 2024 | S. Mochizuki / J. McCabe | 7:5 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Yokohama Japan | ATP Challenger | 19 November 2024 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 22 November 2024 | C. Wong [3] / S. Mochizuki | 7:6 · 6:3 · 2:0 |
| First round · 19 November 2024 | J. Nam [Q] / S. Mochizuki | 2:6 · 2:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Kobe Japan | ATP Challenger | 11 November 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 11 November 2024 | S. Mochizuki / L. Tu | 1:6 · 6:3 · 3:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Matsuyama Japan | ATP Challenger | 4 November 2024 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 8 November 2024 | A. Blockx / S. Mochizuki | 6:4 · 7:6 · 2:0 |
| Round of 16 · 6 November 2024 | S. Mochizuki / N. Basilashvili | 6:4 · 6:4 · 2:0 |
| First round · 4 November 2024 | G. Den Ouden / S. Mochizuki | 5:7 · 6:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Sydney Australia | ATP Challenger | 28 October 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 28 October 2024 | M. Dellavedova / S. Mochizuki [7] | 6:1 · 6:2 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Playford City Australia | ATP Challenger | 21 October 2024 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 25 October 2024 | M. Polmans [8] / S. Mochizuki [3] | 2:6 · 6:4 · 6:4 · 2:1 |
| Round of 16 · 23 October 2024 | R. Matsuda [Q] / S. Mochizuki [3] | 4:6 · 2:6 · 0:2 |
| First round · 21 October 2024 | A. Bakshi / S. Mochizuki [3] | 5:7 · 3:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Kinoshita Group Japan Open Japan | ATP Tour | 25 September 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 25 September 2024 | S. Mochizuki [WC] / U. Humbert | 1:6 · 2:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Chengdu Open China | ATP Tour | 19 September 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 19 September 2024 | Y. Hanfmann / S. Mochizuki [Q] | 6:4 · 7:6 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Lincoln, NE USA | ATP Challenger | 6 August 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 6 August 2024 | S. Mochizuki [LL] / B. Yunchaokete [5] | 4:6 · 2:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Infosys Hall of Fame Open USA | ATP Tour | 16 July 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 16 July 2024 | S. Mochizuki / A. Rinderknech [7] | 3:6 · 6:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Nottingham (II) England | ATP Challenger | 11 June 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 11 June 2024 | S. Mochizuki / C. Broom [Q] | 7:6 · 4:6 · 2:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Surbiton England | ATP Challenger | 3 June 2024 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 7 June 2024 | S. Mochizuki [ALT] / L. Riedi [ALT] | 4:6 · 1:6 · 0:2 |
| Round of 16 · 5 June 2024 | M. McDonald [5] / S. Mochizuki [ALT] | 6:2 · 4:6 · 2:6 · 1:2 |
| First round · 3 June 2024 | S. Mochizuki [ALT] / T. Atmane | 6:7 · 6:1 · 6:4 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| French Open France | Grand Slam | 26 May 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 26 May 2024 | H. Hurkacz [8] / S. Mochizuki [Q] | 4:6 · 6:3 · 3:6 · 6:0 · 6:3 · 3:2 |
| Tournament | Competition | Date | Finish |
|---|
| Oeiras (IV) Portugal | ATP Challenger | 13 May 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 13 May 2024 | J. Faria [WC] / S. Mochizuki [8] | 6:2 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Francavilla Italy | ATP Challenger | 7 May 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 7 May 2024 | S. Mochizuki [3] / R. Nijboer [Q] | 4:6 · 5:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Cagliari Italy | ATP Challenger | 1 May 2024 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 2 May 2024 | M. Navone [3] / S. Mochizuki [Q] | 6:0 · 4:6 · 6:3 · 2:1 |
| First round · 1 May 2024 | S. Mochizuki [Q] / D. Altmaier | 6:4 · 1:6 · 6:3 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| BNP Paribas Open USA | ATP Masters | 7 March 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 7 March 2024 | S. Mochizuki [Q] / A. Vukic | 6:7 · 6:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Australian Open Australia | Grand Slam | 14 January 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 14 January 2024 | T. Machac / S. Mochizuki [LL] | 7:5 · 6:1 · 7:5 · 3:0 |
| Tournament | Competition | Date | Finish |
|---|
| Bank of China Hong Kong Tennis Open Hong Kong | ATP Tour | 1 January 2024 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 1 January 2024 | S. Mochizuki [WC] / B. van de Zandschulp | 5:7 · 1:6 · 0:2 |
Season 2025
| Tournament | Competition | Date | Finish |
|---|
| Bergamo Italy | ATP Challenger | 18 November 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 18 November 2025 | S. Mochizuki [1] / F. Arnaboldi [LL] | 6:7 · 6:4 · 2:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Decines-Charpieu France | ATP Challenger | 11 November 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 11 November 2025 | V. Durasovic [Q] / S. Mochizuki [3] | 6:4 · 4:6 · 6:3 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Bratislava (II) Slovakia | ATP Challenger | 28 October 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 28 October 2025 | S. Mochizuki [5] / F. Maestrelli [ALT] | 6:7 · 6:3 · 4:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Almaty Open Kazakhstan | ATP Tour | 15 October 2025 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 17 October 2025 | S. Mochizuki / A. Michelsen [6] | 3:6 · 6:3 · 2:6 · 1:2 |
| Round of 16 · 16 October 2025 | L. Darderi [4] / S. Mochizuki | 3:6 · 3:6 · 0:2 |
| First round · 15 October 2025 | A. Cazaux / S. Mochizuki | 4:6 · 4:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Jinan China | ATP Challenger | 7 October 2025 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 11 October 2025 | A. Cazaux [1] / S. Mochizuki [7] | 6:1 · 6:2 · 2:0 |
| Quarter-final · 10 October 2025 | B. Tomic / S. Mochizuki [7] | 1:6 · 4:6 · 0:2 |
| Round of 16 · 9 October 2025 | K. Jacquet [Q] / S. Mochizuki [7] | 3:6 · 2:6 · 0:2 |
| First round · 7 October 2025 | J. McCabe [ALT] / S. Mochizuki [7] | 3:6 · 4:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Kinoshita Group Japan Open Japan | ATP Tour | 25 September 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 25 September 2025 | C. Ruud [4] / S. Mochizuki [WC] | 4:6 · 6:1 · 6:1 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Davis Cup Qualifiers (worldwide) | Team competition | 12 September 2025 | Second round |
| Round / date | Players | Set scores |
|---|
| Second round · 12 September 2025 | S. Mochizuki / Y. Hanfmann | 3:6 · 3:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| US Open USA | Grand Slam | 26 August 2025 | Second round |
| Round / date | Players | Set scores |
|---|
| Second round · 29 August 2025 | S. Mochizuki [Q] / A. de Minaur [8] | 2:6 · 4:6 · 2:6 · 0:3 |
| First round · 26 August 2025 | H. Gaston / S. Mochizuki [Q] | 4:6 · 3:6 · 4:6 · 0:3 |
| Tournament | Competition | Date | Finish |
|---|
| Sumter USA | ATP Challenger | 12 August 2025 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 16 August 2025 | S. Mochizuki [7] / A. Shevchenko [5] | 6:4 · 1:6 · 1:6 · 1:2 |
| Quarter-final · 15 August 2025 | S. Mochizuki [7] / F. Misolic [4] | 6:4 · 4:6 · 6:4 · 2:1 |
| Round of 16 · 14 August 2025 | S. Mochizuki [7] / K. Poling [LL] | 6:3 · 6:0 · 2:0 |
| First round · 12 August 2025 | S. Mochizuki [7] / A. Rybakov [WC] | 7:5 · 7:6 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| National Bank Open Canada | ATP Masters | 27 July 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 27 July 2025 | S. Mochizuki [Q] / G. Mpetshi Perricard | 4:6 · 2:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Bloomfield Hills USA | ATP Challenger | 22 July 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 22 July 2025 | R. Noguchi / S. Mochizuki [2] | 6:4 · 0:0 · 1:0 |
| Tournament | Competition | Date | Finish |
|---|
| Wimbledon England | Grand Slam | 1 July 2025 | Second round |
| Round / date | Players | Set scores |
|---|
| Second round · 2 July 2025 | S. Mochizuki [Q] / K. Khachanov [17] | 6:1 · 6:7 · 6:4 · 3:6 · 4:6 · 2:3 |
| First round · 1 July 2025 | S. Mochizuki [Q] / G. Zeppieri [Q] | 2:6 · 3:6 · 6:3 · 7:6 · 7:5 · 3:2 |
| Tournament | Competition | Date | Finish |
|---|
| Nottingham (II) England | ATP Challenger | 16 June 2025 | Final |
| Round / date | Players | Set scores |
|---|
| Final · 21 June 2025 | S. Mochizuki / M. Cilic [2] | 2:6 · 3:6 · 0:2 |
| Semi-final · 20 June 2025 | C. Smith [LL] / S. Mochizuki | 2:6 · 2:6 · 0:2 |
| Quarter-final · 19 June 2025 | J. Faria / S. Mochizuki | 2:6 · 0:6 · 0:2 |
| Round of 16 · 18 June 2025 | S. Mochizuki / T. Boyer [8] | 6:2 · 6:3 · 2:0 |
| First round · 16 June 2025 | P. Herbert / S. Mochizuki | 4:6 · 6:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Ilkley England | ATP Challenger | 10 June 2025 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 14 June 2025 | J. Pinnington Jones [WC] / S. Mochizuki | 7:6 · 6:4 · 2:0 |
| Quarter-final · 13 June 2025 | S. Mochizuki / O. Crawford [Q] | 6:4 · 6:2 · 2:0 |
| Round of 16 · 12 June 2025 | J. Monday [Q] / S. Mochizuki | 4:6 · 7:6 · 3:6 · 1:2 |
| First round · 10 June 2025 | S. Mochizuki / C. Smith | 6:4 · 3:6 · 6:2 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Oeiras (V) Portugal | ATP Challenger | 12 May 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 12 May 2025 | G. Olivieri [ALT] / S. Mochizuki | 2:6 · 7:6 · 3:0 · 1:1 |
| Tournament | Competition | Date | Finish |
|---|
| Prague Czechia | ATP Challenger | 6 May 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 6 May 2025 | S. Mochizuki [1] / P. Brunclik [WC] | 3:6 · 6:4 · 2:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Mauthausen Austria | ATP Challenger | 28 April 2025 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 30 April 2025 | R. Burruchaga / S. Mochizuki | 6:4 · 6:2 · 2:0 |
| First round · 28 April 2025 | S. Mochizuki / T. Monteiro [2] | 6:3 · 6:3 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Oeiras (IV) Portugal | ATP Challenger | 16 April 2025 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 17 April 2025 | C. Taberner / S. Mochizuki | 7:5 · 6:3 · 2:0 |
| First round · 16 April 2025 | S. Mochizuki / T. Seyboth Wild [7] | 2:6 · 6:1 · 7:5 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Morelia Mexico | ATP Challenger | 25 March 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 25 March 2025 | S. Mochizuki [6] / B. Tomic [ALT] | 1:6 · 7:6 · 4:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Bangalore India | ATP Challenger | 25 February 2025 | Final |
| Round / date | Players | Set scores |
|---|
| Final · 2 March 2025 | S. Mochizuki [7] / B. Holt [3] | 3:6 · 3:6 · 0:2 |
| Semi-final · 1 March 2025 | S. Mochizuki [7] / J. McCabe | 6:1 · 3:6 · 6:4 · 2:1 |
| Quarter-final · 28 February 2025 | H. Barton [Q] / S. Mochizuki [7] | 6:7 · 3:6 · 0:2 |
| Round of 16 · 27 February 2025 | J. Clarke / S. Mochizuki [7] | 7:5 · 1:6 · 2:6 · 1:2 |
| First round · 25 February 2025 | R. Ramanathan [WC] / S. Mochizuki [7] | 6:7 · 5:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Pune India | ATP Challenger | 18 February 2025 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 18 February 2025 | S. Mochizuki [7] / J. Rodionov | 7:6 · 1:6 · 2:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| New Delhi India | ATP Challenger | 11 February 2025 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 14 February 2025 | V. Kopriva [1] / S. Mochizuki [6] | 6:2 · 6:4 · 2:0 |
| Round of 16 · 13 February 2025 | H. Barton [Q] / S. Mochizuki [6] | 6:2 · 4:6 · 3:6 · 1:2 |
| First round · 11 February 2025 | A. Holmgren / S. Mochizuki [6] | 3:6 · 5:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Chennai India | ATP Challenger | 3 February 2025 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 7 February 2025 | S. Mochizuki [5] / K. Jacquet | 1:6 · 6:4 · 6:7 · 1:2 |
| Round of 16 · 6 February 2025 | S. Mochizuki [5] / M. Geerts | 6:4 · 6:4 · 2:0 |
| First round · 3 February 2025 | S. Mochizuki [5] / E. Dalla Valle | 6:2 · 6:1 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Nonthaburi (III) Thailand | ATP Challenger | 14 January 2025 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 16 January 2025 | S. Mochizuki [5] / C. Tabur [Q] | 2:6 · 4:6 · 0:2 |
| First round · 14 January 2025 | S. Mochizuki [5] / R. Bertola [Q] | 7:6 · 7:5 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Noumea New Caledonia | ATP Challenger | 31 December 2024 | Champion |
| Round / date | Players | Set scores |
|---|
| Final · 4 January 2025 | S. Mochizuki / M. Bouzige | 6:1 · 6:3 · 2:0 |
| Semi-final · 3 January 2025 | J. Rodionov [6] / S. Mochizuki | 3:6 · 3:6 · 0:2 |
| Quarter-final · 2 January 2025 | S. Mochizuki / T. Ichikawa | 6:3 · 6:3 · 2:0 |
| Round of 16 · 1 January 2025 | A. Ilagan / S. Mochizuki | 7:6 · 4:6 · 2:6 · 1:2 |
| First round · 31 December 2024 | K. Saitoh / S. Mochizuki | 4:6 · 4:6 · 0:2 |
Season 2026
| Tournament | Competition | Date | Finish |
|---|
| US Open USA | Grand Slam | 1 September 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 1 September 2026 | J. Mensik [17] / S. Mochizuki [LL] | 6:1 · 6:4 · 7:5 · 3:0 |
| Tournament | Competition | Date | Finish |
|---|
| Quebec Canada | ATP Challenger | 20 August 2026 | Third round |
| Round / date | Players | Set scores |
|---|
| Third round · 20 August 2026 | S. Kwon [Q] / S. Mochizuki [ALT] | 7:5 · 4:6 · 6:3 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| National Bank Open Canada | ATP Masters | 4 August 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 4 August 2026 | S. Mochizuki [Q] / F. Marozsan | 4:6 · 3:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Vancouver Canada | ATP Challenger | 29 July 2026 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 30 July 2026 | S. Mochizuki [3] / H. Matsuoka [LL] | 3:6 · 2:6 · 0:2 |
| Third round · 29 July 2026 | S. Mochizuki [3] / C. Broom | 2:6 · 6:2 · 6:4 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Winnipeg Canada | ATP Challenger | 22 July 2026 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 25 July 2026 | S. Mochizuki [1] / L. Draxl | 0:6 · 3:6 · 0:2 |
| Quarter-final · 25 July 2026 | S. Mochizuki [1] / J. Monday | 6:4 · 7:6 · 2:0 |
| Round of 16 · 23 July 2026 | S. Mochizuki [1] / D. Chan [Q] | 6:2 · 2:6 · 6:4 · 2:1 |
| Third round · 22 July 2026 | S. Mochizuki [1] / P. Sekulic | 6:3 · 4:6 · 6:1 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Wimbledon England | Grand Slam | 29 June 2026 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 5 July 2026 | J. Sinner [1] / S. Mochizuki [Q] | 6:3 · 7:6 · 6:3 · 3:0 |
| Third round · 3 July 2026 | R. Jodar [23] / S. Mochizuki [Q] | 6:1 · 6:7 · 4:6 · 4:6 · 1:3 |
| Second round · 1 July 2026 | S. Mochizuki [Q] / E. Quinn | 6:2 · 7:6 · 7:5 · 3:0 |
| First round · 29 June 2026 | S. Mochizuki [Q] / M. Basing [Q] | 6:3 · 6:0 · 6:0 · 3:0 |
| Tournament | Competition | Date | Finish |
|---|
| Nottingham (II) England | ATP Challenger | 14 June 2026 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 18 June 2026 | S. Mochizuki / R. Bertola [Q] | 3:6 · 4:6 · 0:2 |
| Round of 16 · 16 June 2026 | M. McDonald / S. Mochizuki | 6:7 · 5:7 · 0:2 |
| Third round · 14 June 2026 | S. Mochizuki / M. Zheng | 7:6 · 3:6 · 7:6 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Birmingham England | ATP Challenger | 3 June 2026 | Third round |
| Round / date | Players | Set scores |
|---|
| Third round · 3 June 2026 | S. Shimabukuro [6] / S. Mochizuki | 7:6 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Zagreb Croatia | ATP Challenger | 11 May 2026 | Third round |
| Round / date | Players | Set scores |
|---|
| Third round · 11 May 2026 | L. Neumayer / S. Mochizuki [2] | 6:2 · 6:2 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Morelia Mexico | ATP Challenger | 24 March 2026 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 25 March 2026 | S. Mochizuki [5] / J. Ficovich | 7:6 · 4:6 · 1:6 · 1:2 |
| Third round · 24 March 2026 | S. Mochizuki [5] / K. Smith [ALT] | 3:6 · 6:3 · 6:4 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Cap Cana Dominican Republic | ATP Challenger | 12 March 2026 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 13 March 2026 | M. Navone [6] / S. Mochizuki [ALT] | 6:4 · 7:5 · 2:0 |
| Third round · 12 March 2026 | N. Mejia [Q] / S. Mochizuki [ALT] | 2:6 · 2:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Qatar ExxonMobil Open Qatar | ATP Tour | 17 February 2026 | Third round |
| Round / date | Players | Set scores |
|---|
| Third round · 17 February 2026 | S. Mochizuki [LL] / K. Khachanov [7] | 1:6 · 6:3 · 4:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Davis Cup Qualifiers (worldwide) | Team competition | 6 February 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 7 February 2026 | S. Mochizuki / L. Neumayer | 3:6 · 3:6 · 0:2 |
| First round · 6 February 2026 | S. Mochizuki / J. Rodionov | 4:6 · 5:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Manama Bahrain | ATP Challenger | 28 January 2026 | Third round |
| Round / date | Players | Set scores |
|---|
| Third round · 28 January 2026 | S. Travaglia / S. Mochizuki [8] | 6:3 · 7:6 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Australian Open Australia | Grand Slam | 20 January 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 20 January 2026 | S. Mochizuki / S. Tsitsipas [31] | 6:4 · 3:6 · 2:6 · 2:6 · 1:3 |
| Tournament | Competition | Date | Finish |
|---|
| United Cup Australia | Team competition | 2 January 2026 | Round of 16 (group) |
| Round / date | Players | Set scores |
|---|
| Round of 16 (group) · 4 January 2026 | B. Harris / S. Mochizuki | 7:6 · 6:3 · 2:0 |
| Round of 16 (group) · 2 January 2026 | S. Tsitsipas / S. Mochizuki | 6:3 · 6:4 · 2:0 |
Additional tournament results
| Tournament | Competition | Date | Finish |
|---|
| US Open USA | Grand Slam | 1 September 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 1 September 2026 | J. Mensik [17] / S. Mochizuki [LL] | 6:1 · 6:4 · 7:5 · 3:0 |
| Tournament | Competition | Date | Finish |
|---|
| Quebec Canada | ATP Challenger | 20 August 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 20 August 2026 | S. Kwon [Q] / S. Mochizuki [ALT] | 7:5 · 4:6 · 6:3 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| National Bank Open Canada | ATP Masters | 4 August 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 4 August 2026 | S. Mochizuki [Q] / F. Marozsan | 4:6 · 3:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Vancouver Canada | ATP Challenger | 29 July 2026 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 30 July 2026 | S. Mochizuki [3] / H. Matsuoka [LL] | 3:6 · 2:6 · 0:2 |
| First round · 29 July 2026 | S. Mochizuki [3] / C. Broom | 2:6 · 6:2 · 6:4 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Winnipeg Canada | ATP Challenger | 22 July 2026 | Semi-final |
| Round / date | Players | Set scores |
|---|
| Semi-final · 25 July 2026 | S. Mochizuki [1] / L. Draxl | 0:6 · 3:6 · 0:2 |
| Quarter-final · 25 July 2026 | S. Mochizuki [1] / J. Monday | 6:4 · 7:6 · 2:0 |
| Round of 16 · 23 July 2026 | S. Mochizuki [1] / D. Chan [Q] | 6:2 · 2:6 · 6:4 · 2:1 |
| First round · 22 July 2026 | S. Mochizuki [1] / P. Sekulic | 6:3 · 4:6 · 6:1 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Wimbledon England | Grand Slam | 29 June 2026 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 5 July 2026 | J. Sinner [1] / S. Mochizuki [Q] | 6:3 · 7:6 · 6:3 · 3:0 |
| Third round · 3 July 2026 | R. Jodar [23] / S. Mochizuki [Q] | 6:1 · 6:7 · 4:6 · 4:6 · 1:3 |
| Second round · 1 July 2026 | S. Mochizuki [Q] / E. Quinn | 6:2 · 7:6 · 7:5 · 3:0 |
| First round · 29 June 2026 | S. Mochizuki [Q] / M. Basing [Q] | 6:3 · 6:0 · 6:0 · 3:0 |
| Tournament | Competition | Date | Finish |
|---|
| Nottingham (II) England | ATP Challenger | 14 June 2026 | Quarter-final |
| Round / date | Players | Set scores |
|---|
| Quarter-final · 18 June 2026 | S. Mochizuki / R. Bertola [Q] | 3:6 · 4:6 · 0:2 |
| Round of 16 · 16 June 2026 | M. McDonald / S. Mochizuki | 6:7 · 5:7 · 0:2 |
| First round · 14 June 2026 | S. Mochizuki / M. Zheng | 7:6 · 3:6 · 7:6 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Birmingham England | ATP Challenger | 3 June 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 3 June 2026 | S. Shimabukuro [6] / S. Mochizuki | 7:6 · 6:4 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Zagreb Croatia | ATP Challenger | 11 May 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 11 May 2026 | L. Neumayer / S. Mochizuki [2] | 6:2 · 6:2 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Morelia Mexico | ATP Challenger | 24 March 2026 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 25 March 2026 | S. Mochizuki [5] / J. Ficovich | 7:6 · 4:6 · 1:6 · 1:2 |
| First round · 24 March 2026 | S. Mochizuki [5] / K. Smith [ALT] | 3:6 · 6:3 · 6:4 · 2:1 |
| Tournament | Competition | Date | Finish |
|---|
| Cap Cana Dominican Republic | ATP Challenger | 12 March 2026 | Round of 16 |
| Round / date | Players | Set scores |
|---|
| Round of 16 · 13 March 2026 | M. Navone [6] / S. Mochizuki [ALT] | 6:4 · 7:5 · 2:0 |
| First round · 12 March 2026 | N. Mejia [Q] / S. Mochizuki [ALT] | 2:6 · 2:6 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Qatar ExxonMobil Open Qatar | ATP Tour | 17 February 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 17 February 2026 | S. Mochizuki [LL] / K. Khachanov [7] | 1:6 · 6:3 · 4:6 · 1:2 |
| Tournament | Competition | Date | Finish |
|---|
| Davis Cup Qualifiers (worldwide) | Team competition | 6 February 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 7 February 2026 | S. Mochizuki / L. Neumayer | 3:6 · 3:6 · 0:2 |
| First round · 6 February 2026 | S. Mochizuki / J. Rodionov | 4:6 · 5:7 · 0:2 |
| Tournament | Competition | Date | Finish |
|---|
| Manama Bahrain | ATP Challenger | 28 January 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 28 January 2026 | S. Travaglia / S. Mochizuki [8] | 6:3 · 7:6 · 2:0 |
| Tournament | Competition | Date | Finish |
|---|
| Australian Open Australia | Grand Slam | 20 January 2026 | First round |
| Round / date | Players | Set scores |
|---|
| First round · 20 January 2026 | S. Mochizuki / S. Tsitsipas [31] | 6:4 · 3:6 · 2:6 · 2:6 · 1:3 |
| Tournament | Competition | Date | Finish |
|---|
| United Cup Australia | Team competition | 2 January 2026 | Group matches |
| Round / date | Players | Set scores |
|---|
| Group matches · 4 January 2026 | B. Harris / S. Mochizuki | 7:6 · 6:3 · 2:0 |
| Group matches · 2 January 2026 | S. Tsitsipas / S. Mochizuki | 6:3 · 6:4 · 2:0 |