Select tournament type
| 1/16-finals | Miyazaki L. | Nagata A. | 2:0 (6:0, 6:1) | details | 12.05.2026 | ||
| 1/16-finals | Kitahara Y. | Nagata A. | 2:1 (3:6, 6:1, 6:2) | details | 06.05.2026 | ||
| 1/16-finals | Yang Y. Y. | Nagata A. | 2:1 (3:6, 7:5, 7:62) | details | 25.02.2026 | ||
| 1/16-finals | Nagata A. | Sato N. | 0:2 (1:6, 4:6) | details | 26.11.2025 | ||
| Quarter-finals | Nagata A. | Matsuda R. | 0:2 (3:6, 2:6) | details | 21.11.2025 | ||
| 1/8-finals | Nitture A. D. | Nagata A. | 0:2 (4:6, 3:6) | details | 20.11.2025 | ||
| 1/16-finals | Nagata A. | Nie X. | 2:0 (6:2, 6:4) | details | 19.11.2025 | ||
| Quarter-finals | Nagata A. | Wang J. | 0:2 (4:6, 2:6) | details | 14.11.2025 | ||
| 1/8-finals | Nagata A. | Koyama H. | 2:0 (7:65, 6:0) | details | 13.11.2025 | ||
| 1/16-finals | Adkar V. | Nagata A. | 0:0 RET. (2:4) | details | 12.11.2025 | ||
| 1/16-finals | Zhu A. | Nagata A. | 2:0 (6:4, 6:3) | details | 15.10.2025 | ||
| 1/16-finals | Kuharenko P. | Nagata A. | 2:1 (6:4, 3:6, 6:3) | details | 03.09.2025 | ||
| 1/8-finals | Nagata A./Sato N. | Hyeongju Han/Lee J. E. | 2:0 (6:2, 6:3) | details | 19.05.2026 | ||
| Quarter-finals | da Silva Fick G./McGiffin T. | Nagata A./Yoshioka K. | 2:0 (6:1, 7:63) | details | 14.05.2026 | ||
| 1/8-finals | Nagata A./Yoshioka K. | Osborne A./Zheng W. | 2:0 (6:2, 6:4) | details | 13.05.2026 | ||
| Quarter-finals | Kitaoka M./Nishimoto S. | Nagata A./Yoshioka K. | 2:1 (2:6, 7:5, 10:7) | details | 07.05.2026 | ||
| 1/8-finals | Kosaka R./Nakao K. | Nagata A./Yoshioka K. | 0:2 (2:6, 1:6) | details | 05.05.2026 | ||
| 1/8-finals | Kawaguchi N./Ku Y. | Nagata A./Yoshioka K. | 2:0 (6:2, 6:3) | details | 29.04.2026 | ||
| Final | Miyamoto A./Yoshioka K. | Nagata A./Sato N. | 1:2 (6:2, 3:6, 8:10) | details | 25.04.2026 | ||
| Semi-finals | Nagata A./Sato N. | Jeong B./Sato H. | 2:0 (6:4, 7:5) | details | 24.04.2026 | ||
| Quarter-finals | Choi O./Jang G. | Nagata A./Sato N. | 0:2 (1:6, 64:7) | details | 23.04.2026 | ||
| 1/8-finals | Mitsunari N./Tajima A. | Nagata A./Sato N. | 0:2 (0:6, 2:6) | details | 22.04.2026 | ||
| Final | Nagata A./Sato N. | Matsuda M./Shimizu E. | 2:0 (6:4, 7:62) | details | 18.04.2026 | ||
| Semi-finals | Noguchi S./Tsujioka S. | Nagata A./Sato N. | WO. | details | 17.04.2026 | ||
| Quarter-finals | Aikawa M./Kobayashi H. | Nagata A./Sato N. | 0:2 (5:7, 3:6) | details | 16.04.2026 | ||
| 1/8-finals | Hosogi S./Sato H. | Nagata A./Sato N. | 0:2 (4:6, 4:6) | details | 15.04.2026 | ||
| Semi-finals | Miyamoto A./Sato H. | Nagata A./Sato H. | 2:1 (3:6, 6:4, 10:3) | details | 10.04.2026 | ||
| Quarter-finals | da Silva Fick G./Micic E. | Nagata A./Sato H. | 1:2 (6:2, 4:6, 6:10) | details | 09.04.2026 | ||
| 1/8-finals | Nagata A./Sato H. | Arakawa N./Zhu A. | 2:0 (7:64, 6:4) | details | 07.04.2026 | ||
| Quarter-finals | Nagata A./Sato H. | Costoulas S./Lansere S. | 1:2 (6:3, 3:6, 10:12) | details | 12.03.2026 | ||
| 1/8-finals | Hosoki Y./Katsumi N. | Nagata A./Sato H. | 0:2 (5:7, 3:6) | details | 11.03.2026 | ||
| 1/8-finals | Kobori M./Shimizu A. | Nagata A./Sato H. | CAN. | details | 11.03.2026 | ||
| Semi-finals | Nagata A./Yoshioka K. | da Silva Fick G./McGiffin T. | 1:2 (1:6, 6:3, 5:10) | details | 27.02.2026 | ||
| Quarter-finals | Stevens A./Thompson B. | Nagata A./Yoshioka K. | 0:2 (2:6, 3:6) | details | 26.02.2026 | ||
| 1/8-finals | Nagata A./Yoshioka K. | Chaudhari V./Rokusek S. | 2:1 (6:4, 62:7, 10:7) | details | 25.02.2026 | ||
| Quarter-finals | Koike E./Nagata A. | Kim D./Park S. | 0:2 (0:6, 2:6) | details | 28.11.2025 | ||
| 1/8-finals | Koike E./Nagata A. | Ren Y./Yang Y. | 2:1 (6:4, 61:7, 10:7) | details | 26.11.2025 | ||
| Quarter-finals | Mpetshi Perricard D./Nagata A. | Simmons E./Smith A. | 1:2 (64:7, 6:3, 8:10) | details | 19.11.2025 | ||
| 1/8-finals | Ramesh J./Sama C. R. | Mpetshi Perricard D./Nagata A. | 0:2 (3:6, 2:6) | details | 18.11.2025 | ||
| 1/8-finals | Adkar V./Nagata A. | Lee J. E./Liu K. | 0:1 RET. (4:6, 2:2) | details | 11.11.2025 | ||
| 1/8-finals | Nagata A./Yoshioka K. | Ayukawa M./Morisaki K. | 0:2 (610:7, 0:6) | details | 05.11.2025 | ||
| Quarter-finals | Chen M./Deng T. T. | Nagata A./Yoshioka K. | 2:0 (7:5, 6:3) | details | 29.10.2025 | ||
| 1/8-finals | Nagata A./Yoshioka K. | Suzuki N./Tsutsumi K. | 2:1 (7:61, 4:6, 10:7) | details | 28.10.2025 | ||
| Quarter-finals | Nagata A./Wang J. | Hou Y./Yuan C. | 0:2 (2:6, 63:7) | details | 23.10.2025 | ||
| 1/8-finals | Ovcharenko E./Webley-Smith E. | Nagata A./Wang J. | 1:2 (1:6, 6:2, 5:10) | details | 21.10.2025 | ||
| 1/8-finals | Kobayashi H./Nagata A. | Dang Y./Sun Y. | 1:2 (3:6, 7:62, 3:10) | details | 14.10.2025 | ||
| Final | Nagata A./Ozeki M. | Ni Ma Z./Wong Hong Yi C. | 2:1 (6:3, 1:6, 10:5) | details | 06.09.2025 | ||
| Semi-finals | Nagata A./Ozeki M. | Cai J./Tian N. | 2:0 (6:1, 6:4) | details | 05.09.2025 | ||
| Quarter-finals | Nagata A./Ozeki M. | Hou Y./Wang Y. | 2:1 (7:5, 3:6, 10:6) | details | 04.09.2025 | ||
| 1/8-finals | Nagata A./Ozeki M. | Chen Y./Tang X. | 2:0 (6:4, 6:3) | details | 02.09.2025 | ||