Select tournament type
| 1/16-finals | Rapolu M. | Yamazaki I. | 2:0 (7:64, 7:5) | details | 13.05.2026 | ||
| 1/8-finals | Yamazaki I. | Lee S. | 1:2 (6:4, 1:6, 5:7) | details | 07.05.2026 | ||
| 1/16-finals | Yamazaki I. | Kang N. H. | 2:1 (6:1, 3:6, 6:1) | details | 06.05.2026 | ||
| Semi-finals | Wei Z. | Yamazaki I. | 2:0 (7:65, 6:2) | details | 26.04.2026 | ||
| 1/16-finals | Micic E. | Yamazaki I. | 2:1 (6:4, 2:6, 6:1) | details | 08.04.2026 | ||
| 1/8-finals | Ma Y. | Yamazaki I. | 2:0 (6:4, 6:4) | details | 12.03.2026 | ||
| 1/16-finals | Yamazaki I. | Nishimoto S. | 2:1 (2:6, 6:0, 6:2) | details | 11.03.2026 | ||
| 1/16-finals | Yamazaki I. | Yoruk I. | 0:2 (2:6, 1:6) | details | 03.03.2026 | ||
| Semi-finals | Yamazaki I. | Spiteri D. | 0:2 (1:6, 4:6) | details | 22.02.2026 | ||
| 1/16-finals | Yamazaki I. | Saito S. | 1:2 (6:3, 5:7, 3:6) | details | 14.01.2026 | ||
| 1/8-finals | Yamazaki I. | Preston T. | 1:2 (6:4, 3:6, 4:6) | details | 27.11.2025 | ||
| 1/16-finals | Yamazaki I. | Subasic A. | 2:0 (6:1, 6:4) | details | 25.11.2025 | ||
| 1/16-finals | Yamazaki I. | Hunter S. | 0:2 (2:6, 4:6) | details | 19.11.2025 | ||
| 1/16-finals | Yamazaki I. | Wei S. | 0:2 (4:6, 3:6) | details | 12.11.2025 | ||
| Semi-finals | Kobori M. | Yamazaki I. | 2:0 (6:2, 6:3) | details | 25.10.2025 | ||
| 1/16-finals | Yamazaki I. | Astakhova D. | 1:2 (7:65, 3:6, 0:6) | details | 22.10.2025 | ||
| 1/8-finals | Yamazaki I. | Akita S. | 0:2 (66:7, 3:6) | details | 28.08.2025 | ||
| 1/16-finals | Yamazaki I. | Barry M. | 2:0 (6:1, 6:3) | details | 27.08.2025 | ||
| 1/8-finals | Grant T. C. | Yamazaki I. | 2:1 (5:7, 6:0, 6:0) | details | 21.08.2025 | ||
| 1/16-finals | Sakellaridi S. | Yamazaki I. | 1:2 (4:6, 6:3, 3:6) | details | 19.08.2025 | ||
| 1/16-finals | Falkowska W. | Yamazaki I. | 2:0 (6:2, 6:3) | details | 13.08.2025 | ||
| Final | Koevermans A. | Yamazaki I. | 0:2 (1:6, 4:6) | details | 10.08.2025 | ||
| Semi-finals | Ce G. | Yamazaki I. | 0:2 (2:6, 2:6) | details | 09.08.2025 | ||
| Quarter-finals | Nugroho P. M. | Yamazaki I. | 1:2 (6:2, 2:6, 3:6) | details | 08.08.2025 | ||
| 1/8-finals | Yamazaki I. | Vrancken Peeters A. | 2:1 (4:6, 6:2, 6:1) | details | 07.08.2025 | ||
| 1/8-finals | Saito S./Yamazaki I. | Kuwata H./Li Y. | 0:2 (4:6, 3:6) | details | 28.04.2026 | ||
| 1/8-finals | Sakatsume H./Yamazaki I. | Kobori M./Shimizu A. | 0:2 (1:6, 3:6) | details | 21.04.2026 | ||
| Final | Miyamoto A./Sato H. | Matsuda M./Yamazaki I. | 0:2 (5:7, 2:6) | details | 11.04.2026 | ||
| Semi-finals | Matsuda M./Yamazaki I. | Kinoshita H./Koike E. | 2:1 (6:4, 3:6, 10:8) | details | 10.04.2026 | ||
| Quarter-finals | Goto R./Matsuda R. | Matsuda M./Yamazaki I. | 0:2 (3:6, 2:6) | details | 09.04.2026 | ||
| 1/8-finals | Sema E./Yoshimoto N. | Matsuda M./Yamazaki I. | 0:2 (0:6, 0:6) | details | 07.04.2026 | ||
| Quarter-finals | Ku Y./Yamazaki I. | Shi H./Ye Q. | 1:2 (64:7, 6:3, 6:10) | details | 02.04.2026 | ||
| 1/8-finals | Ku Y./Yamazaki I. | Wang X./Wang Y. | 2:0 (6:0, 6:1) | details | 31.03.2026 | ||
| 1/8-finals | Back D./Yamazaki I. | Kubka M./Pawlikowska Z. | 0:2 (3:6, 3:6) | details | 24.03.2026 | ||
| 1/8-finals | Dang Y./You X. | Kuwata H./Yamazaki I. | 2:0 (6:1, 6:2) | details | 17.03.2026 | ||
| Quarter-finals | Kinoshita H./Saito S. | Kuwata H./Yamazaki I. | 2:0 (6:4, 6:4) | details | 12.03.2026 | ||
| 1/8-finals | Suzuki N./Tsutsumi K. | Kuwata H./Yamazaki I. | 0:2 (3:6, 2:6) | details | 10.03.2026 | ||
| Quarter-finals | Abe H./Yamazaki I. | Cho I-H./Cho T. | 0:2 (61:7, 3:6) | details | 15.01.2026 | ||
| 1/8-finals | Ayukawa M./Morisaki K. | Abe H./Yamazaki I. | 0:2 (1:6, 5:7) | details | 13.01.2026 | ||
| 1/8-finals | Okamura K./Plipuech P. | Abe H./Yamazaki I. | 2:1 (6:4, 3:6, 12:10) | details | 07.01.2026 | ||
| Semi-finals | Gibson T./Inglis M. | Wei S./Yamazaki I. | 2:0 (6:4, 6:2) | details | 29.11.2025 | ||
| Quarter-finals | Subasic A./Thompson B. | Wei S./Yamazaki I. | 0:2 (4:6, 4:6) | details | 27.11.2025 | ||
| 1/8-finals | Wei S./Yamazaki I. | da Silva Fick G./Osborne A. | 2:0 (6:4, 6:4) | details | 25.11.2025 | ||
| Final | Hule P./Micic E. | Abe H./Yamazaki I. | 0:2 (4:6, 4:6) | details | 22.11.2025 | ||
| Semi-finals | Ivanov V./Tian F. | Abe H./Yamazaki I. | 1:2 (65:7, 6:3, 6:10) | details | 21.11.2025 | ||
| Quarter-finals | Yang Y. Y./Yuan C. | Abe H./Yamazaki I. | 0:2 (1:6, 2:6) | details | 20.11.2025 | ||
| 1/8-finals | Bulatova A./Thompson B. | Abe H./Yamazaki I. | 0:2 (1:6, 4:6) | details | 18.11.2025 | ||
| 1/8-finals | Jang S. J./Kuramochi M. | Sato N./Yamazaki I. | WO. | details | 11.11.2025 | ||
| 1/8-finals | Kim N./Ye Q. | Sato N./Yamazaki I. | 2:0 (6:2, 6:0) | details | 27.08.2025 | ||
| Quarter-finals | Nugroho P. M./Yamazaki I. | Bakhmutkina P./Ciric Bagaric L. | 1:2 (2:6, 6:2, 5:10) | details | 07.08.2025 | ||