Select tournament type
| 1/16-finals | Honda N. | Okamura I. | 2:0 (6:3, 6:2) | details | 03.09.2025 | ||
| 1/16-finals | Berger A. | Okamura I. | 2:0 (6:1, 6:1) | details | 13.08.2025 | ||
| 1/16-finals | Okamura I. | Alhogbani A. F. | 1:2 (2:6, 6:4, 3:6) | details | 05.08.2025 | ||
| 1/16-finals | Okamura I. | Liu L. | 0:2 (2:6, 1:6) | details | 29.07.2025 | ||
| 1/16-finals | Okamura I. | Kirci K. | 1:2 (5:7, 6:2, 2:6) | details | 09.07.2025 | ||
| 1/16-finals | Okamura I. | Hara Friend J. D. | 0:2 (3:6, 2:6) | details | 04.06.2025 | ||
| 1/16-finals | Okamura I. | Lomakin G. | 1:2 (4:6, 7:65, 66:7) | details | 29.04.2025 | ||
| 1/16-finals | Yamasaki J. | Okamura I. | 2:0 (6:3, 6:4) | details | 22.04.2025 | ||
| 1/16-finals | Okamura I. | Kusuhara Y. | 0:2 (5:7, 2:6) | details | 16.04.2025 | ||
| 1/8-finals | Okamura I. | Saitoh K. | 0:2 (2:6, 2:6) | details | 04.04.2025 | ||
| 1/16-finals | Kono Y. | Okamura I. | 0:2 (2:6, 1:6) | details | 01.04.2025 | ||
| 1/16-finals | Kumasaka T. | Okamura I. | 2:0 (7:5, 6:1) | details | 26.03.2025 | ||
| 1/16-finals | Nam Ji S. | Okamura I. | 2:0 (6:1, 6:1) | details | 19.03.2025 | ||
| 1/8-finals | Okamura I. | Shiraishi H. | 0:2 (2:6, 2:6) | details | 13.03.2025 | ||
| 1/16-finals | Tsutsumino R. | Okamura I. | 1:2 (4:6, 6:4, 2:6) | details | 11.03.2025 | ||
| 1/16-finals | Okamura I. | Nam Ji S. | 0:2 (63:7, 3:6) | details | 25.02.2025 | ||
| 1/8-finals | Hsu Y. H. | Okamura I. | 2:0 (6:1, 6:0) | details | 12.02.2025 | ||
| 1/16-finals | Okamura I. | Gorb L. | 2:0 (6:2, 6:1) | details | 12.02.2025 | ||
| Quarter-finals | Ogura K./Sueoka Y. | Matsuda K./Okamura I. | 2:0 (6:3, 6:4) | details | 18.09.2025 | ||
| 1/8-finals | Matsuda K./Okamura I. | Honda N./Tomida Y. | 2:0 (6:4, 6:4) | details | 16.09.2025 | ||
| 1/8-finals | Okamura I./Takahata R. | Ichikawa T./Isomura K. | 0:2 (4:6, 4:6) | details | 10.09.2025 | ||
| Quarter-finals | Broom C./Whitehouse M. | Okamura I./Sumizawa D. | 2:1 (4:6, 6:2, 10:8) | details | 04.09.2025 | ||
| 1/8-finals | Okamura I./Sumizawa D. | Blando J./Blando M. | 2:1 (6:4, 1:6, 10:7) | details | 02.09.2025 | ||
| 1/8-finals | Kim D. J./Oh Chan-Yeong | Okamura I./Takahata R. | 2:0 (6:3, 7:63) | details | 12.08.2025 | ||
| 1/8-finals | Berger A./Bhat A. P. | Okamura I./Takahata R. | 2:0 (6:2, 6:4) | details | 06.08.2025 | ||
| Final | Arifadli Salim R. A./Trismuwantara G. | Matsuda K./Okamura I. | 0:2 (4:6, 65:7) | details | 02.08.2025 | ||
| Semi-finals | Oki Y./Yamanaka T. | Matsuda K./Okamura I. | 1:2 (64:7, 6:3, 8:10) | details | 01.08.2025 | ||
| Quarter-finals | Barki N. A./Chang A. | Matsuda K./Okamura I. | 0:1 RET. (3:6, 3:4) | details | 31.07.2025 | ||
| 1/8-finals | Alvarado P./Susanto A. | Matsuda K./Okamura I. | 1:2 (7:5, 4:6, 7:10) | details | 29.07.2025 | ||
| 1/8-finals | Kusuhara Y./Nakagawa S. | Okamura I./Takahata R. | 2:0 (6:1, 6:4) | details | 09.07.2025 | ||
| Quarter-finals | Ichikawa T./Noguchi M. | Ochi M./Okamura I. | 2:0 (6:4, 6:4) | details | 03.07.2025 | ||
| 1/8-finals | Seelig K./Sinclair C. | Ochi M./Okamura I. | 1:2 (4:6, 6:1, 6:10) | details | 02.07.2025 | ||
| 1/8-finals | Fukuda S./Takahata R. | Lee J./Okamura I. | 2:0 (7:63, 6:4) | details | 05.06.2025 | ||
| 1/8-finals | Okamura I./Vithoontien L. | Shin S./Sim S. | 0:2 (67:7, 62:7) | details | 30.04.2025 | ||
| Semi-finals | Kawachi K./Tokuda R. | Okamura I./Vithoontien L. | 2:0 (6:2, 6:4) | details | 25.04.2025 | ||
| Quarter-finals | Okamura I./Vithoontien L. | Anderson O./O'Connell B. | WO. | details | 24.04.2025 | ||
| 1/8-finals | Okamura I./Vithoontien L. | Muto S./Yukawa Y. | 2:0 (6:2, 7:63) | details | 22.04.2025 | ||
| Quarter-finals | Kusuhara Y./Nakagawa S. | Okamura I./Takahata R. | 2:0 (6:2, 6:1) | details | 18.04.2025 | ||
| 1/8-finals | Okamura I./Takahata R. | Anderson O./O'Connell B. | 2:0 (6:2, 6:1) | details | 17.04.2025 | ||
| Final | Okamura I./Takahata R. | Kawachi K./Matsuda K. | 0:2 (5:7, 5:7) | details | 05.04.2025 | ||
| Semi-finals | Jang Y./Jeong Y. | Okamura I./Takahata R. | 1:2 (7:5, 3:6, 8:10) | details | 04.04.2025 | ||
| Quarter-finals | Huang T./Lo Y. J. | Okamura I./Takahata R. | 0:2 (2:6, 5:7) | details | 03.04.2025 | ||
| 1/8-finals | Okamura I./Takahata R. | Fukuda S./Yoshimura D. | 2:0 (6:1, 6:2) | details | 02.04.2025 | ||
| Quarter-finals | Nam Ji S./Uesugi K. | Kono Y./Okamura I. | 2:1 (6:1, 4:6, 10:4) | details | 20.03.2025 | ||
| 1/8-finals | Kono Y./Okamura I. | Daichi F./Maeda Y. | 2:1 (7:63, 4:6, 10:2) | details | 20.03.2025 | ||
| Semi-finals | Matsuda K./Yamanaka T. | Kono Y./Okamura I. | 2:0 (6:3, 6:2) | details | 14.03.2025 | ||
| Quarter-finals | Kono Y./Okamura I. | Hayashi K./Sach T. | 2:1 (6:0, 2:6, 10:6) | details | 14.03.2025 | ||
| 1/8-finals | Alhogbani S./Setkic A. | Kono Y./Okamura I. | 0:2 (2:6, 1:6) | details | 11.03.2025 | ||
| 1/8-finals | Ochi M./Okamura I. | Pearson K./Sheehy J. | 0:2 (3:6, 67:7) | details | 26.02.2025 | ||
| 1/8-finals | Nakagawa N./Okamura I. | Hazawa S./Shiraishi H. | 0:2 (4:6, 4:6) | details | 11.02.2025 | ||