United Kingdom: Wimbledon - Singles - Qualification |
| Quarter-finals | Gaston H. | Mochizuki S. | 2:0 (7:65, 6:4) | details | 24.06.2024 |
United Kingdom: Ilkley - Singles - Qualification |
| Semi-finals | Mochizuki S. | Cressy M. | 0:2 (1:6, 4:6) | details | 16.06.2024 |
| Semi-finals | Mochizuki S. | Shimabukuro S. | CAN. | details | 15.06.2024 |
United Kingdom: Nottingham - Singles - Main |
| 1/16-finals | Mochizuki S. | Broom C. | 1:2 (7:69, 4:6, 2:6) | details | 11.06.2024 |
United Kingdom: Surbiton - Singles - Main |
| Quarter-finals | Mochizuki S. | Riedi L. | 0:2 (4:6, 1:6) | details | 07.06.2024 |
| 1/8-finals | McDonald M. | Mochizuki S. | 1:2 (6:2, 4:6, 2:6) | details | 05.06.2024 |
| 1/16-finals | Mochizuki S. | Atmane T. | 2:1 (64:7, 6:1, 6:4) | details | 03.06.2024 |
France: French Open - Singles - Main |
| 1/64-finals | Hurkacz H. | Mochizuki S. | 3:2 (4:6, 6:3, 3:6, 6:0, 6:3) | details | 26.05.2024 |
France: French Open - Singles - Qualification |
| Final | Bagnis F. | Mochizuki S. | 0:1 RET. (4:6, 0:2) | details | 23.05.2024 |
| Semi-finals | Mochizuki S. | Napolitano S. | 2:0 (6:3, 6:2) | details | 22.05.2024 |
| Quarter-finals | Mochizuki S. | Hardt N. | 2:1 (4:6, 6:4, 6:2) | details | 20.05.2024 |
Portugal: Oeiras 4 - Singles - Main |
| 1/16-finals | Faria J. | Mochizuki S. | 2:0 (6:2, 6:4) | details | 13.05.2024 |
Italy: Francavilla - Singles - Main |
| 1/16-finals | Mochizuki S. | Nijboer R. | 0:2 (4:6, 5:7) | details | 07.05.2024 |
Italy: Cagliari - Singles - Main |
| 1/8-finals | Navone M. | Mochizuki S. | 2:1 (6:0, 4:6, 6:3) | details | 02.05.2024 |
| 1/16-finals | Mochizuki S. | Altmaier D. | 2:1 (6:4, 1:6, 6:3) | details | 01.05.2024 |
Italy: Cagliari - Singles - Qualification |
| Final | Mochizuki S. | Cecchinato M. | 2:1 (7:5, 3:6, 6:4) | details | 30.04.2024 |
| Semi-finals | Mochizuki S. | Ferrari F. | 2:1 (7:5, 4:6, 6:2) | details | 29.04.2024 |
Spain: Madrid - Singles - Qualification |
| Final | Hassan B. | Mochizuki S. | 2:1 (5:7, 7:5, 6:3) | details | 23.04.2024 |
| Semi-finals | Mochizuki S. | Muller A. | 1:0 RET. (7:67, 2:0) | details | 22.04.2024 |
USA: Miami - Singles - Qualification |
| Semi-finals | Mochizuki S. | Goffin D. | 0:2 (64:7, 2:6) | details | 18.03.2024 |
USA: Indian Wells - Singles - Main |
| 1/64-finals | Mochizuki S. | Vukic A. | 0:2 (64:7, 66:7) | details | 07.03.2024 |
USA: Indian Wells - Singles - Qualification |
| Final | Hassan B. | Mochizuki S. | 0:2 (4:6, 64:7) | details | 05.03.2024 |
| Semi-finals | Mochizuki S. | Schwartzman D. | 2:0 (6:4, 6:3) | details | 04.03.2024 |
Mexico: Acapulco - Singles - Qualification |
| Semi-finals | Hijikata R. | Mochizuki S. | 2:1 (6:4, 2:6, 6:4) | details | 25.02.2024 |
Mexico: Los Cabos - Singles - Qualification |
| Semi-finals | Mochizuki S. | Mayo A. | 0:2 (5:7, 5:7) | details | 18.02.2024 |
USA: Delray Beach - Singles - Qualification |
| Final | Kokkinakis T. | Mochizuki S. | 2:0 (6:3, 6:0) | details | 12.02.2024 |
| Semi-finals | Kozlov S. | Mochizuki S. | 0:2 (3:6, 62:7) | details | 11.02.2024 |
Australia: Australian Open - Singles - Main |
| 1/64-finals | Machac T. | Mochizuki S. | 3:0 (7:5, 6:1, 7:5) | details | 14.01.2024 |
Australia: Australian Open - Singles - Qualification |
| Final | Kovacevic A. | Mochizuki S. | 2:1 (1:6, 6:2, 6:2) | details | 12.01.2024 |
| Semi-finals | Schoolkate T. | Mochizuki S. | 0:2 (2:6, 4:6) | details | 11.01.2024 |
| Quarter-finals | Moreno De Alboran N. | Mochizuki S. | 1:2 (6:3, 0:6, 2:6) | details | 10.01.2024 |
Hong Kong: Hong Kong - Singles - Main |
| 1/16-finals | Mochizuki S. | Van De Zandschulp B. | 0:2 (5:7, 1:6) | details | 01.01.2024 |
Japan: Kobe - Singles - Main |
| Quarter-finals | Shimabukuro S. | Mochizuki S. | 2:0 (6:3, 6:3) | details | 17.11.2023 |
| 1/8-finals | Bai Y. | Mochizuki S. | 0:2 (3:6, 2:6) | details | 16.11.2023 |
| 1/16-finals | Fonio G. | Mochizuki S. | 1:2 (6:4, 2:6, 3:6) | details | 14.11.2023 |
Japan: Matsuyama - Singles - Main |
| 1/8-finals | Blancaneaux G. | Mochizuki S. | 2:0 (7:5, 6:3) | details | 09.11.2023 |
| 1/16-finals | Nakagawa N. | Mochizuki S. | 0:2 (2:6, 2:6) | details | 07.11.2023 |
Australia: Sydney - Singles - Main |
| Quarter-finals | Mochizuki S. | Daniel T. | 0:0 RET. (1:3) | details | 03.11.2023 |
| 1/8-finals | Mochizuki S. | Uchida K. | 2:0 (7:610, 7:5) | details | 01.11.2023 |
| 1/16-finals | Mochizuki S. | Jasika O. | 2:0 (6:4, 6:4) | details | 30.10.2023 |
Japan: Tokyo - Singles - Main |
| Semi-finals | Mochizuki S. | Karatsev A. | 0:2 (3:6, 4:6) | details | 21.10.2023 |
| Quarter-finals | Mochizuki S. | Popyrin A. | 2:1 (7:5, 2:6, 7:5) | details | 20.10.2023 |
| 1/8-finals | Fritz T. | Mochizuki S. | 1:2 (6:0, 4:6, 62:7) | details | 19.10.2023 |