Select tournament type
| Quarter-finals | Yamasaki J. | Kim J. | 0:2 (1:6, 4:6) | details | 12.06.2026 | ||
| 1/8-finals | Yamasaki J. | Jones H. | 2:0 (6:1, 7:64) | details | 11.06.2026 | ||
| 1/16-finals | Sinclair C. | Yamasaki J. | 0:2 (63:7, 3:6) | details | 10.06.2026 | ||
| 1/8-finals | Yamasaki J. | Vithoontien L. | 0:2 (4:6, 4:6) | details | 28.05.2026 | ||
| 1/16-finals | Yamasaki J. | Minakata R. | 2:0 (6:1, 6:3) | details | 26.05.2026 | ||
| 1/16-finals | Kumasaka T. | Yamasaki J. | 2:0 (6:2, 6:2) | details | 06.05.2026 | ||
| 1/8-finals | Yamasaki J. | Imamura M. | 0:2 (0:6, 4:6) | details | 30.04.2026 | ||
| 1/16-finals | Sureshkumar M. | Yamasaki J. | 1:2 (4:6, 6:3, 63:7) | details | 28.04.2026 | ||
| 1/16-finals | Yamasaki J. | Shepp A. | 0:2 (4:6, 4:6) | details | 22.04.2026 | ||
| 1/8-finals | Shiraishi H. | Yamasaki J. | 2:1 (6:3, 62:7, 7:5) | details | 02.04.2026 | ||
| 1/16-finals | Shibano K. | Yamasaki J. | 1:2 (6:3, 1:6, 1:6) | details | 01.04.2026 | ||
| 1/8-finals | Yamasaki J. | Tomida Y. | 0:2 (3:6, 2:6) | details | 27.03.2026 | ||
| 1/16-finals | Yamasaki J. | Oki Y. | 2:0 (6:1, 6:1) | details | 24.03.2026 | ||
| 1/16-finals | Yamasaki J. | Vithoontien L. | 1:2 (6:2, 67:7, 4:6) | details | 18.03.2026 | ||
| 1/16-finals | Yamasaki J. | Matsuda K. | 0:2 (2:6, 65:7) | details | 11.03.2026 | ||
| Final | Yamasaki J. | Balshaw F. | 1:2 (2:6, 6:3, 2:6) | details | 05.01.2026 | ||
| Semi-finals | Imamura M. | Yamasaki J. | 1:2 (7:66, 4:6, 2:6) | details | 04.01.2026 | ||
| 1/16-finals | Yamasaki J. | Mochizuki Y. | 0:2 (4:6, 65:7) | details | 18.11.2025 | ||
| Final | Nakagawa N. | Yamasaki J. | 0:2 (3:6, 1:6) | details | 17.11.2025 | ||
| Semi-finals | Yamasaki J. | Park U. | 1:0 RET. (6:4) | details | 16.11.2025 | ||
| Quarter-finals | Yamasaki J. | Kumasaka T. | 1:2 (7:66, 0:6, 3:6) | details | 19.09.2025 | ||
| 1/8-finals | Yamanaka T. | Yamasaki J. | 0:2 (2:6, 3:6) | details | 18.09.2025 | ||
| 1/16-finals | Yamasaki J. | Palan D. | 1:0 RET. (6:2) | details | 16.09.2025 | ||
| 1/16-finals | Yamasaki J. | Nakagawa S. | 0:2 (3:6, 61:7) | details | 02.09.2025 | ||
| 1/8-finals | Matsuda K. | Yamasaki J. | 2:0 (6:2, 6:4) | details | 14.08.2025 | ||
| 1/16-finals | Yamasaki J. | Shanmugam A. | 2:0 (6:3, 6:3) | details | 13.08.2025 | ||
| 1/8-finals | Yamasaki J. | Matsuoka S. | 0:2 (2:6, 2:6) | details | 07.08.2025 | ||
| 1/16-finals | Yamasaki J. | Oki Y. | 2:0 (6:4, 6:4) | details | 05.08.2025 | ||
| 1/16-finals | Sinclair C. | Yamasaki J. | 2:1 (6:3, 5:7, 6:3) | details | 11.06.2025 | ||
| Quarter-finals | Nakagawa N./Yamasaki J. | Hazawa S./Sach T. | 0:2 (3:6, 4:6) | details | 11.06.2026 | ||
| 1/8-finals | Tanaka Y./Tange S. | Nakagawa N./Yamasaki J. | 1:2 (3:6, 6:4, 9:11) | details | 10.06.2026 | ||
| Final | Tomida Y./Yamasaki J. | Delaney Je./Sinclair C. | 0:2 (66:7, 2:6) | details | 30.05.2026 | ||
| Semi-finals | Tomida Y./Yamasaki J. | Fukuda S./Masabayashi T. | 2:1 (64:7, 7:66, 10:6) | details | 29.05.2026 | ||
| Quarter-finals | Koizumi N./Taka Y. | Tomida Y./Yamasaki J. | 1:2 (4:6, 6:3, 8:10) | details | 28.05.2026 | ||
| 1/8-finals | Matsuoka S./Tange S. | Tomida Y./Yamasaki J. | 0:2 (3:6, 1:6) | details | 26.05.2026 | ||
| 1/8-finals | Kamboj U./Yamasaki J. | Shiraishi H./Takahata R. | 1:2 (4:6, 6:4, 8:10) | details | 22.04.2026 | ||
| Final | Kawahashi Y./Yamasaki J. | Saitoh K./Shiraishi H. | 0:2 (3:6, 4:6) | details | 04.04.2026 | ||
| Semi-finals | Mitsui S./Yoshimura D. | Kawahashi Y./Yamasaki J. | 0:2 (4:6, 5:7) | details | 03.04.2026 | ||
| Quarter-finals | Sim S./Sumizawa D. | Kawahashi Y./Yamasaki J. | 0:2 (3:6, 3:6) | details | 03.04.2026 | ||
| 1/8-finals | Mischker F./Summers M. | Kawahashi Y./Yamasaki J. | 1:2 (64:7, 6:3, 5:10) | details | 02.04.2026 | ||
| Semi-finals | Oki Y./Vithoontien L. | Kumasaka T./Yamasaki J. | 2:0 (6:2, 6:3) | details | 19.09.2025 | ||
| Quarter-finals | Kumasaka T./Yamasaki J. | Blando J./Blando M. | 2:1 (6:4, 2:6, 10:5) | details | 18.09.2025 | ||
| 1/8-finals | Katayama K./Nakano R. | Kumasaka T./Yamasaki J. | 0:2 (5:7, 2:6) | details | 16.09.2025 | ||
| 1/8-finals | Hazawa S./Mochizuki Y. | Nakagawa N./Yamasaki J. | 2:1 (4:6, 6:1, 11:9) | details | 03.09.2025 | ||
| Semi-finals | Kim D. J./Oh Chan-Yeong | Nakamura R./Yamasaki J. | 2:0 (6:3, 6:4) | details | 15.08.2025 | ||
| Quarter-finals | Nakamura R./Yamasaki J. | Catini N./Matta A. | 2:1 (1:6, 6:3, 10:7) | details | 14.08.2025 | ||
| 1/8-finals | Abadia D./Jimenez M. D. | Nakamura R./Yamasaki J. | 0:2 (4:6, 4:6) | details | 12.08.2025 | ||
| 1/8-finals | Dong C./Yamasaki J. | Fukuda S./Kono Y. | 0:2 (3:6, 61:7) | details | 05.08.2025 | ||
| Semi-finals | Suzuki K./Yamasaki J. | Kawachi K./Sueoka Y. | 1:2 (3:6, 6:3, 7:10) | details | 06.06.2025 | ||
| Quarter-finals | Suzuki K./Yamasaki J. | Inui Y./Tanuma R. | 2:0 (7:67, 6:1) | details | 06.06.2025 | ||