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| 1/8-finals | Takahata R. | Tabata R. | 0:2 (5:7, 3:6) | dettagli | 12.03.2026 | ||
| 1/16-finals | Nakagawa N. | Takahata R. | 0:2 (3:6, 2:6) | dettagli | 11.03.2026 | ||
| Semi-finals | Takahata R. | Yamanaka T. | 0:2 (1:6, 4:6) | dettagli | 02.11.2025 | ||
| 1/8-finals | Shick B. | Takahata R. | 2:0 (6:1, 6:3) | dettagli | 30.10.2025 | ||
| 1/16-finals | Miyoshi A. | Takahata R. | 0:2 (64:7, 1:6) | dettagli | 29.10.2025 | ||
| 1/16-finals | Takahata R. | Hashimoto H. | 1:2 (6:1, 5:7, 3:6) | dettagli | 22.10.2025 | ||
| 1/16-finals | Mochizuki Y. | Takahata R. | 2:0 (6:1, 6:1) | dettagli | 09.09.2025 | ||
| 1/8-finals | Takahata R. | Basing M. | 0:2 (2:6, 0:6) | dettagli | 21.08.2025 | ||
| 1/16-finals | Takahata R. | Koaykul K. | 2:0 (6:3, 6:4) | dettagli | 20.08.2025 | ||
| 1/8-finals | Fukuda S. | Takahata R. | 2:0 (7:64, 6:4) | dettagli | 07.08.2025 | ||
| 1/16-finals | Alam S. | Takahata R. | 0:2 (4:6, 2:6) | dettagli | 05.08.2025 | ||
| 1/16-finals | Takahata R. | Shiraishi H. | 0:1 RET. (0:6, 0:1) | dettagli | 04.06.2025 | ||
| 1/8-finals | Takahata R. | Fukuda S. | 0:2 (62:7, 1:6) | dettagli | 24.04.2025 | ||
| 1/16-finals | Saitoh K. | Takahata R. | 0:2 (4:6, 4:6) | dettagli | 23.04.2025 | ||
| 1/16-finals | Takahata R. | Mochizuki Y. | 0:2 (4:6, 5:7) | dettagli | 16.04.2025 | ||
| Final | Shiraishi H./Takahata R. | Inui Y./Ogura K. | 2:1 (63:7, 6:1, 10:8) | dettagli | 25.04.2026 | ||
| Semi-finals | Shiraishi H./Takahata R. | Blando J./Papa C. | 2:1 (65:7, 7:64, 11:9) | dettagli | 24.04.2026 | ||
| Quarter-finals | Ichikawa T./Saitoh K. | Shiraishi H./Takahata R. | 1:2 (6:3, 3:6, 3:10) | dettagli | 23.04.2026 | ||
| 1/8-finals | Kamboj U./Yamasaki J. | Shiraishi H./Takahata R. | 1:2 (4:6, 6:4, 8:10) | dettagli | 22.04.2026 | ||
| Quarter-finals | Ogura K./Takahata R. | Ichikawa T./Matsuda K. | 0:2 (3:6, 4:6) | dettagli | 16.04.2026 | ||
| 1/8-finals | Ogura K./Takahata R. | Chan B./Tomida Y. | 2:0 (6:1, 6:4) | dettagli | 15.04.2026 | ||
| Quarter-finals | Fukuda S./Takahata R. | Ogura K./Vithoontien L. | 1:2 (7:65, 0:6, 4:10) | dettagli | 03.04.2026 | ||
| 1/8-finals | Fukuda S./Takahata R. | Bouzige M./Ryan Ziegann S. | 2:0 (6:4, 7:65) | dettagli | 02.04.2026 | ||
| 1/8-finals | Kim D. J./Takahata R. | Kani Y./Matsunaga S. | 1:2 (7:5, 5:7, 7:10) | dettagli | 26.03.2026 | ||
| Quarter-finals | Kikuchi Y./Takahata R. | Hazawa S./Imamura M. | 1:2 (62:7, 6:3, 10:12) | dettagli | 12.03.2026 | ||
| 1/8-finals | Nefve A./Zamora N. | Kikuchi Y./Takahata R. | 0:2 (5:7, 4:6) | dettagli | 11.03.2026 | ||
| 1/8-finals | Honda N./Takahata R. | Jones M./Shiraishi H. | 0:2 (0:6, 3:6) | dettagli | 05.11.2025 | ||
| Quarter-finals | Shick B./Tanuma R. | Kawahashi Y./Takahata R. | 2:0 (6:3, 6:3) | dettagli | 30.10.2025 | ||
| 1/8-finals | Kawahashi Y./Takahata R. | Matsumura R./Yamamoto N. | 2:1 (4:6, 6:3, 10:5) | dettagli | 28.10.2025 | ||
| Final | Nakagawa S./Takahata R. | Ichikawa T./Sueoka Y. | 0:2 (4:6, 3:6) | dettagli | 24.10.2025 | ||
| Semi-finals | Kono Y./Kusuhara Y. | Nakagawa S./Takahata R. | 0:2 (61:7, 4:6) | dettagli | 24.10.2025 | ||
| Quarter-finals | Nakagawa S./Takahata R. | Karigyo T./Shibano K. | 2:0 (6:2, 6:4) | dettagli | 23.10.2025 | ||
| 1/8-finals | Nakagawa S./Takahata R. | Komatsu N./Sampei R. | 2:0 (6:3, 6:1) | dettagli | 22.10.2025 | ||
| 1/8-finals | Okamura I./Takahata R. | Ichikawa T./Isomura K. | 0:2 (4:6, 4:6) | dettagli | 10.09.2025 | ||
| Quarter-finals | Sumizawa D./Takahata R. | Rifqi Fitriadi M./Lee J. | 1:2 (2:6, 6:4, 6:10) | dettagli | 21.08.2025 | ||
| 1/8-finals | Sumizawa D./Takahata R. | Kitthachok K./Majoli Maggioli T. T. | 2:0 (6:3, 6:2) | dettagli | 20.08.2025 | ||
| 1/8-finals | Kim D. J./Oh Chan-Yeong | Okamura I./Takahata R. | 2:0 (6:3, 7:63) | dettagli | 12.08.2025 | ||
| 1/8-finals | Berger A./Bhat A. P. | Okamura I./Takahata R. | 2:0 (6:2, 6:4) | dettagli | 06.08.2025 | ||
| 1/8-finals | Kusuhara Y./Nakagawa S. | Okamura I./Takahata R. | 2:0 (6:1, 6:4) | dettagli | 09.07.2025 | ||
| Quarter-finals | Shiraishi H./Takahata R. | Kawachi K./Kikuchi Y. | 0:2 (62:7, 3:6) | dettagli | 03.07.2025 | ||
| 1/8-finals | Shiraishi H./Takahata R. | Fukuda S./Koyama H. | 1:1 RET. (3:6, 7:63) | dettagli | 01.07.2025 | ||
| Quarter-finals | Fukuda S./Takahata R. | Kawachi K./Sueoka Y. | 1:2 (62:7, 6:1, 10:12) | dettagli | 06.06.2025 | ||
| 1/8-finals | Fukuda S./Takahata R. | Lee J./Okamura I. | 2:0 (7:63, 6:4) | dettagli | 05.06.2025 | ||
| Quarter-finals | Kusuhara Y./Noguchi M. | Matsuda K./Takahata R. | 2:1 (7:67, 4:6, 10:8) | dettagli | 24.04.2025 | ||
| 1/8-finals | Matsuda K./Takahata R. | Adachi T./Fukuda S. | 2:1 (4:6, 6:0, 10:6) | dettagli | 23.04.2025 | ||
| Quarter-finals | Kusuhara Y./Nakagawa S. | Okamura I./Takahata R. | 2:0 (6:2, 6:1) | dettagli | 18.04.2025 | ||
| 1/8-finals | Okamura I./Takahata R. | Anderson O./O'Connell B. | 2:0 (6:2, 6:1) | dettagli | 17.04.2025 | ||
| Final | Okamura I./Takahata R. | Kawachi K./Matsuda K. | 0:2 (5:7, 5:7) | dettagli | 05.04.2025 | ||
| Semi-finals | Jang Y./Jeong Y. | Okamura I./Takahata R. | 1:2 (7:5, 3:6, 8:10) | dettagli | 04.04.2025 | ||