Select tournament type
| 1/8-finals | Saito S. | Kinoshita H. | 0:2 (4:6, 0:6) | details | 19.03.2026 | ||
| 1/16-finals | Saito S. | Ku Y. | 2:0 (6:2, 6:2) | details | 18.03.2026 | ||
| 1/16-finals | Saito S. | Shibahara E. | 1:2 (3:6, 6:3, 3:6) | details | 10.03.2026 | ||
| 1/8-finals | Kuramochi M. | Saito S. | 2:1 (2:6, 6:4, 6:3) | details | 12.02.2026 | ||
| 1/16-finals | Cabrera L. | Saito S. | 1:2 (7:66, 5:7, 4:6) | details | 10.02.2026 | ||
| Quarter-finals | Zhu L. | Saito S. | 2:0 (6:3, 6:0) | details | 06.02.2026 | ||
| 1/8-finals | Sato N. | Saito S. | 1:2 (2:6, 6:4, 3:6) | details | 05.02.2026 | ||
| 1/16-finals | Khan L. | Saito S. | 0:2 (2:6, 2:6) | details | 03.02.2026 | ||
| 1/16-finals | Saito S. | Tkacheva M. | 0:2 (2:6, 2:6) | details | 27.01.2026 | ||
| 1/8-finals | Kawaguchi N. | Saito S. | 2:1 (2:6, 6:4, 6:3) | details | 15.01.2026 | ||
| 1/16-finals | Yamazaki I. | Saito S. | 1:2 (6:3, 5:7, 3:6) | details | 14.01.2026 | ||
| Quarter-finals | Saito S. | Bains N. | 0:2 (61:7, 4:6) | details | 09.01.2026 | ||
| 1/8-finals | Saito S. | Yang Y. | 1:0 RET. (7:5, 4:2) | details | 08.01.2026 | ||
| 1/16-finals | Tikhonova A. | Saito S. | 1:2 (4:6, 6:2, 65:7) | details | 06.01.2026 | ||
| 1/16-finals | Kraus S. | Saito S. | 2:0 (6:3, 6:4) | details | 02.12.2025 | ||
| 1/16-finals | Saito S. | Park S. | 0:2 (1:6, 4:6) | details | 18.11.2025 | ||
| Semi-finals | Saito S. | Shimizu E. | 1:2 (4:6, 6:4, 4:6) | details | 08.11.2025 | ||
| Quarter-finals | Saito S. | Yoshioka K. | 2:0 (7:5, 6:1) | details | 07.11.2025 | ||
| 1/8-finals | Saito S. | Kinoshita H. | 2:0 (7:5, 6:4) | details | 06.11.2025 | ||
| 1/16-finals | Saito S. | Sema E. | 2:0 (6:1, 6:2) | details | 05.11.2025 | ||
| Final | Saito S. | Back D. | 2:0 (6:1, 6:2) | details | 02.11.2025 | ||
| Semi-finals | Saito S. | Park S. | 2:0 (7:5, 6:4) | details | 01.11.2025 | ||
| Quarter-finals | Saito S. | Shimizu E. | 2:0 (6:3, 6:0) | details | 31.10.2025 | ||
| 1/8-finals | Saito S. | Suzuki N. | 2:0 (6:1, 6:0) | details | 30.10.2025 | ||
| 1/16-finals | Saito S. | Matsuda M. | 2:1 (2:6, 7:5, 6:2) | details | 29.10.2025 | ||
| Quarter-finals | Kinoshita H./Saito S. | Dang Y./You X. | 0:2 (1:6, 2:6) | details | 19.03.2026 | ||
| 1/8-finals | Hosogi S./Matsuda M. | Kinoshita H./Saito S. | 0:2 (1:6, 0:6) | details | 18.03.2026 | ||
| Final | Costoulas S./Lansere S. | Kinoshita H./Saito S. | 2:0 (6:2, 6:4) | details | 14.03.2026 | ||
| Semi-finals | Kinoshita H./Saito S. | Tsuda R. ./Yoshida K. | 2:1 (5:7, 6:2, 10:7) | details | 13.03.2026 | ||
| Quarter-finals | Kinoshita H./Saito S. | Kuwata H./Yamazaki I. | 2:0 (6:4, 6:4) | details | 12.03.2026 | ||
| 1/8-finals | Park S./Tian F. | Kinoshita H./Saito S. | 1:2 (3:6, 6:4, 8:10) | details | 11.03.2026 | ||
| Final | da Silva Fick G./McGiffin T. | Kawaguchi N./Saito S. | 0:2 (2:6, 4:6) | details | 14.02.2026 | ||
| Semi-finals | Sato H./Zhang Y. | Kawaguchi N./Saito S. | 1:2 (6:3, 4:6, 4:10) | details | 14.02.2026 | ||
| Quarter-finals | Rokusek S./Stevens A. | Kawaguchi N./Saito S. | 0:2 (62:7, 2:6) | details | 12.02.2026 | ||
| 1/8-finals | Kawaguchi N./Saito S. | Rokusek S./Stevens A. | 1:2 (7:5, 4:6, 6:10) | details | 04.02.2026 | ||
| Semi-finals | Gleason Q./Santamaria S. | Li Y./Saito S. | 2:0 (6:2, 6:3) | details | 29.01.2026 | ||
| Quarter-finals | Fossa Huergo N./Semenistaja D. | Li Y./Saito S. | 1:2 (5:7, 6:1, 10:12) | details | 28.01.2026 | ||
| 1/8-finals | Alcala A./Pena J. | Li Y./Saito S. | 0:2 (0:6, 1:6) | details | 26.01.2026 | ||
| 1/8-finals | Kawaguchi N./Saito S. | Sakellaridi S./Yashina E. | 1:2 (4:6, 6:2, 5:10) | details | 13.01.2026 | ||
| Quarter-finals | Kawaguchi N./Saito S. | Lee Y./Wong Hong Yi C. | 0:2 (3:6, 63:7) | details | 08.01.2026 | ||
| 1/8-finals | Bains N./Ye Q. | Kawaguchi N./Saito S. | 1:2 (65:7, 6:2, 7:10) | details | 06.01.2026 | ||
| 1/8-finals | Saito S./Sakatsume H. | Nugroho P. M./Park S. | 1:2 (6:1, 5:7, 6:10) | details | 20.11.2025 | ||
| Semi-finals | Sato H./Shimizu E. | Saito S./Shimizu A. | 2:0 (7:65, 7:5) | details | 07.11.2025 | ||
| Quarter-finals | Saito S./Shimizu A. | Ohwaki Yui/Tsujioka S. | 2:0 (6:0, 6:2) | details | 06.11.2025 | ||
| 1/8-finals | Saito S./Shimizu A. | Oigawa S./Tsuda R. . | 2:0 (6:2, 6:0) | details | 05.11.2025 | ||
| Final | Chen M./Deng T. T. | Saito S./Shimizu A. | 0:2 (2:6, 4:6) | details | 01.11.2025 | ||
| Semi-finals | Back D./Lee E. | Saito S./Shimizu A. | 0:2 (64:7, 1:6) | details | 30.10.2025 | ||
| Quarter-finals | Suzuki M./Wakana R. | Saito S./Shimizu A. | 0:2 (0:6, 4:6) | details | 29.10.2025 | ||
| 1/8-finals | Hosogi S./Matsuda M. | Saito S./Shimizu A. | 0:2 (3:6, 1:6) | details | 28.10.2025 | ||
| Quarter-finals | Hunter S./Krawczyk D. | Kawaguchi N./Saito S. | 2:1 (3:6, 6:2, 10:8) | details | 16.10.2025 | ||