France: French Open - Doubles - Main |
| Final | Budkov Kjaer N./Schwaerzler J. J. | Cina F./Sakamoto R. | 2:0 (6:4, 7:63) | details | 08.06.2024 |
| Semi-finals | Razeghi A./Schoenhaus M. | Cina F./Sakamoto R. | 1:2 (5:7, 6:2, 7:10) | details | 07.06.2024 |
| Quarter-finals | Frydrych V./Rottgering M. | Cina F./Sakamoto R. | WO. | details | 06.06.2024 |
| 1/8-finals | Kennedy J./Mayew I. | Cina F./Sakamoto R. | 0:2 (2:6, 3:6) | details | 05.06.2024 |
| 1/16-finals | Malige M./Papamalamis T. | Cina F./Sakamoto R. | 0:2 (61:7, 1:6) | details | 04.06.2024 |
Italy: M15 Cervia - Doubles - Main |
| Final | Bilardo J./Cadenasso G. | Bondioli F./Sakamoto R. | WO. | details | 26.05.2024 |
| Semi-finals | Bondioli F./Sakamoto R. | Catini N./Perfetti N. | 2:1 (4:6, 6:3, 10:7) | details | 24.05.2024 |
| Quarter-finals | Bondioli F./Sakamoto R. | Compagnucci N./Compagnucci T. | 2:0 (6:1, 7:5) | details | 24.05.2024 |
| 1/8-finals | Parenti L./Taddia L. | Bondioli F./Sakamoto R. | 1:2 (6:3, 3:6, 10:12) | details | 23.05.2024 |
USA: M25 Bakersfield, CA - Doubles - Main |
| Quarter-finals | Broom C./Stevenson D. | Sakamoto R./Wu Tung-Lin | 2:0 (6:1, 6:1) | details | 14.03.2024 |
| 1/8-finals | Sakamoto R./Wu Tung-Lin | Mischker F./Sell K. | 2:1 (6:1, 5:7, 10:3) | details | 13.03.2024 |
Egypt: M15 Sharm ElSheikh 3 - Doubles - Main |
| Final | Hrazdil J./Sakamoto R. | Hudd E./Stevenson D. | 2:1 (6:3, 68:7, 11:9) | details | 17.02.2024 |
| Semi-finals | Liaonenka A./Zgirovsky A. | Hrazdil J./Sakamoto R. | 0:2 (1:6, 63:7) | details | 16.02.2024 |
| Quarter-finals | Den Heijer G./Visker N. | Hrazdil J./Sakamoto R. | 0:2 (4:6, 4:6) | details | 15.02.2024 |
| 1/8-finals | Uzhylovskyi V./Zheng B. | Hrazdil J./Sakamoto R. | 1:2 (6:4, 3:6, 4:10) | details | 13.02.2024 |
Egypt: M15 Sharm ElSheikh 2 - Doubles - Main |
| Semi-finals | Gengel M./Whitehouse M. | Hrazdil J./Sakamoto R. | 2:0 (6:4, 6:2) | details | 09.02.2024 |
| Quarter-finals | Hrazdil J./Sakamoto R. | Matsuoka H./Zakaryia F. | 2:1 (6:3, 1:6, 10:4) | details | 08.02.2024 |
| 1/8-finals | Liaonenka A./Zgirovsky A. | Hrazdil J./Sakamoto R. | 0:2 (4:6, 2:6) | details | 06.02.2024 |
Australia: Australian Open - Doubles - Main |
| Semi-finals | Cina F./Sakamoto R. | Exsted M./Woestendick C. | 1:2 (1:6, 7:65, 8:10) | details | 26.01.2024 |
| Quarter-finals | Cina F./Sakamoto R. | Budkov Kjaer N./Kumstat J. | 2:0 (6:3, 6:2) | details | 24.01.2024 |
| 1/8-finals | Cina F./Sakamoto R. | Ivanov I./Planella S. | 2:1 (3:6, 6:3, 10:8) | details | 23.01.2024 |
| 1/16-finals | Cina F./Sakamoto R. | Engel J./Sickenberger T. | 2:0 (6:3, 6:2) | details | 22.01.2024 |