ATPranked 123 (2026-10-01)rating 1668 · peak 1720
Shintaro Mochizuki
Japan · 23 years old · plays right-handed · 5'9" tall · born in Kawasaki, Japan
ATP singles record since 2007
Won-lost
55-65
46% of matches
Titles
0
0 finals lost
Tiebreaks
22-16
won-lost
Deciding sets
20 of 41
48% of games won
By surface
| Surface | Won-lost | Win % | Games won | Tiebreaks | Rating |
|---|---|---|---|---|---|
| hard | 38-51 | 43% | 47% | 14-11 | 1565 |
| grass | 13-7 | 65% | 53% | 6-5 | 1757 |
| clay | 4-7 | 36% | 46% | 2-0 | 1417 |
Counted from scores; walkovers excluded. See surface Elo and share of games won.
Recent matches
| Date | Tournament | Opponent | Result | Score |
|---|---|---|---|---|
| 2026-10-06 | Rolex Shanghai Masters Qualifying Final | Roman Safiullin | loss | 6-2 6-3 |
| 2026-10-05 | Rolex Shanghai Masters Qualifying 1st Round | Taro Daniel | win | 2-6 6-2 6-2 |
| 2026-09-28 | Kinoshita Group Japan Open Tennis Championships Qualifying 1st Round | Jaime Faria | loss | 6-2 6-4 |
| 2026-09-24 | Chengdu Open Round 1 | Martin Damm | loss | 6-1 6-4 |
| 2026-09-23 | Chengdu Open Qualifying Final | Pavel Kotov | win | 7-5 6-3 |
| 2026-09-22 | Chengdu Open Qualifying 1st Round | Xiao Linang | win | 7-5 4-6 7-5 |
| 2026-08-31 | US Open Round 1 | Jakub Mensik | loss | 6-1 6-4 7-5 |
| 2026-08-28 | US Open Qualifying Final | Francesco Passaro | loss | 6-4 6-2 |
| 2026-08-26 | US Open Qualifying 2nd Round | Braden Shick | win | 6-4 6-1 |
| 2026-08-25 | US Open Qualifying 1st Round | Daniel Milavsky | win | 7-6(5) 6-4 |
| 2026-08-12 | Cincinnati Open Qualifying 1st Round | J.J. Wolf | loss | 6-2 2-6 6-3 |
| 2026-08-04 | National Bank Open presented by Rogers Round 1 | Fabian Marozsan | loss | 6-4 6-3 |
| 2026-08-01 | National Bank Open presented by Rogers Qualifying Final | Dane Sweeny | win | 1-6 7-6(5) 6-3 |
| 2026-07-05 | Wimbledon Round 4 | Jannik Sinner | loss | 6-3 7-6(0) 6-3 |
| 2026-07-03 | Wimbledon Round 3 | Rafael Jodar | win | 1-6 7-6(5) 6-4 6-4 |
| 2026-07-01 | Wimbledon Round 2 | Ethan Quinn | win | 6-2 7-6(6) 7-5 |
| 2026-06-29 | Wimbledon Round 1 | Max Basing | win | 6-3 6-0 6-0 |
| 2026-06-25 | Wimbledon Qualifying Final | Clement Tabur | win | 1-6 7-5 2-6 6-3 6-1 |
| 2026-06-24 | Wimbledon Qualifying 2nd Round | Gauthier Onclin | win | 6-2 4-6 6-3 |
| 2026-06-22 | Wimbledon Qualifying 1st Round | Vitaliy Sachko | win | 6-3 7-6(4) |
| 2026-06-06 | Libéma Open Qualifying 1st Round | Sander Jong | loss | 4-6 6-3 6-4 |
| 2026-05-18 | Roland Garros Qualifying 1st Round | Remy Bertola | loss | 2-6 6-3 6-0 |
| 2026-05-04 | Internazionali BNL d'Italia Qualifying 1st Round | Jacob Fearnley | loss | 6-3 6-1 |
| 2026-03-16 | Miami Open presented by Itau Qualifying 1st Round | Jay Clarke | loss | 6-4 3-6 6-1 |
| 2026-03-03 | BNP Paribas Open Qualifying Final | Benjamin Bonzi | loss | 6-4 5-7 6-3 |
| 2026-03-02 | BNP Paribas Open Qualifying 1st Round | Federico Agustin Gomez | win | 6-4 4-6 6-3 |
| 2026-02-21 | Dubai Duty Free Tennis Championships Qualifying 1st Round | Giovanni Mpetshi Perricard | loss | 6-1 7-6(4) |
| 2026-02-17 | Qatar ExxonMobil Open Round 1 | Karen Khachanov | loss | 6-1 3-6 6-4 |
| 2026-02-15 | Qatar ExxonMobil Open Qualifying Final | Roberto Carballes Baena | loss | 6-0 6-3 |
| 2026-02-14 | Qatar ExxonMobil Open Qualifying 1st Round | Ghanim Al Sulaiti | win | 6-0 6-1 |
| 2026-01-20 | Australian Open Round 1 | Stefanos Tsitsipas | loss | 4-6 6-3 6-2 6-2 |
| 2026-01-09 | ASB Classic Qualifying 1st Round | Juan Manuel Cerundolo | loss | 6-4 6-7(3) 6-2 |
| 2025-11-02 | Vanda Pharmaceuticals Hellenic Championship Qualifying Final | Mackenzie McDonald | loss | 4-6 6-2 6-2 |
| 2025-11-01 | Vanda Pharmaceuticals Hellenic Championship Qualifying 1st Round | Pavlos Tsitsipas | win | 6-1 6-2 |
| 2025-10-17 | Almaty Open QF | Alex Michelsen | loss | 6-3 3-6 6-2 |
| 2025-10-16 | Almaty Open Round 2 | Luciano Darderi | win | 6-3 6-3 |
| 2025-10-15 | Almaty Open Round 1 | Arthur Cazaux | win | 6-4 6-4 |
| 2025-09-29 | Rolex Shanghai Masters Qualifying 1st Round | Yannick Hanfmann | loss | 6-3 7-5 |
| 2025-09-25 | Kinoshita Group Japan Open Tennis Championships Round 1 | Casper Ruud | loss | 4-6 6-1 6-1 |
| 2025-08-29 | US Open Round 2 | Alex de Minaur | loss | 6-2 6-4 6-2 |
| 2025-08-26 | US Open Round 1 | Hugo Gaston | win | 6-4 6-3 6-4 |
| 2025-08-22 | US Open Qualifying Final | Daniel Elahi Galan | win | 6-4 6-4 |
| 2025-08-21 | US Open Qualifying 2nd Round | Roman Andres Burruchaga | win | 6-4 1-6 6-4 |
| 2025-08-19 | US Open Qualifying 1st Round | Jurij Rodionov | win | 6-2 4-6 6-2 |
| 2025-08-06 | Cincinnati Open Qualifying Final | Chak Lam Coleman Wong | loss | 7-6(5) 6-3 |
| 2025-08-05 | Cincinnati Open Qualifying 1st Round | Facundo Bagnis | win | 3-6 6-3 6-4 |
| 2025-07-27 | National Bank Open presented by Rogers Round 1 | Giovanni Mpetshi Perricard | loss | 6-4 6-2 |
| 2025-07-26 | National Bank Open presented by Rogers Qualifying Final | Yasutaka Uchiyama | win | 6-4 6-3 |
| 2025-07-02 | Wimbledon Round 2 | Karen Khachanov | loss | 1-6 7-6(7) 4-6 6-3 6-4 |
| 2025-07-01 | Wimbledon Round 1 | Giulio Zeppieri | win | 2-6 3-6 6-3 7-6(6) 7-5 |
| 2025-06-26 | Wimbledon Qualifying Final | Dominic Stricker | win | 7-6(3) 3-6 6-2 6-4 |
| 2025-06-25 | Wimbledon Qualifying 2nd Round | Felipe Meligeni Alves | win | 6-3 6-3 |
| 2025-06-23 | Wimbledon Qualifying 1st Round | Pierre-Hugues Herbert | win | 6-1 6-1 |
| 2025-05-19 | Roland Garros Qualifying 1st Round | Aleksandr Shevchenko | loss | 6-7(2) 6-2 6-4 |
| 2025-03-18 | Miami Open presented by Itau Qualifying Final | Francisco Comesana | loss | 7-6(4) 7-5 |
| 2025-03-17 | Miami Open presented by Itau Qualifying 1st Round | Yannick Hanfmann | win | 7-6(5) 6-4 |
| 2025-01-07 | Australian Open Qualifying 1st Round | Alibek Kachmazov | loss | 6-3 7-6(1) |
| 2024-09-30 | Rolex Shanghai Masters Qualifying 1st Round | Xiao Linang | loss | 6-2 6-3 |
| 2024-09-25 | Kinoshita Group Japan Open Tennis Championships Round 1 | Ugo Humbert | loss | 6-1 6-2 |
| 2024-09-19 | Chengdu Open Round 1 | Yannick Hanfmann | loss | 6-4 7-6(4) |
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