Select tournament type
| 1/8-finals | Shimizu Y. | Gengel M. | 1:2 (6:3, 1:6, 4:6) | details | 07.01.2026 | ||
| 1/16-finals | Shimizu Y. | Ichikawa T. | 2:1 (3:6, 7:63, 6:4) | details | 06.01.2026 | ||
| 1/8-finals | Shimizu Y. | Kusuhara Y. | 0:2 (3:6, 3:6) | details | 19.11.2025 | ||
| 1/16-finals | Shimizu Y. | Takahashi Y. | 2:0 (6:2, 6:2) | details | 17.11.2025 | ||
| 1/16-finals | Shimizu Y. | Hsu Y. H. | 0:2 (65:7, 4:6) | details | 10.11.2025 | ||
| 1/8-finals | Uchida K. | Shimizu Y. | 2:0 (6:1, 6:2) | details | 06.11.2025 | ||
| 1/16-finals | Gengel M. | Shimizu Y. | 0:2 (0:6, 68:7) | details | 04.11.2025 | ||
| 1/8-finals | Rodionov J. | Shimizu Y. | 2:1 (2:6, 7:5, 6:4) | details | 30.10.2025 | ||
| 1/16-finals | Shimizu Y. | Imamura M. | 2:0 (7:5, 6:4) | details | 28.10.2025 | ||
| Quarter-finals | Mayot H. | Shimizu Y. | 2:0 (6:4, 6:2) | details | 24.10.2025 | ||
| 1/8-finals | Kumasaka T. | Shimizu Y. | 1:2 (0:6, 7:5, 64:7) | details | 23.10.2025 | ||
| 1/16-finals | Sun F. | Shimizu Y. | 1:2 (7:5, 4:6, 4:6) | details | 21.10.2025 | ||
| 1/16-finals | Shimizu Y. | Tokuda R. | CAN. | details | 20.10.2025 | ||
| 1/16-finals | Wang A. | Shimizu Y. | 2:1 (3:6, 7:5, 6:3) | details | 14.10.2025 | ||
| Semi-finals | Shimizu Y. | Quinn E. | 0:2 (64:7, 4:6) | details | 22.09.2025 | ||
| 1/16-finals | Shimizu Y. | Cerundolo J. M. | 0:2 (1:6, 4:6) | details | 09.09.2025 | ||
| 1/16-finals | Shimizu Y. | Shimabukuro S. | CAN. | details | 02.09.2025 | ||
| Final | Shimizu Y. | Damm M. | 0:2 (610:7, 4:6) | details | 22.08.2025 | ||
| Semi-finals | Cerundolo J. M. | Shimizu Y. | 0:2 (65:7, 5:7) | details | 21.08.2025 | ||
| Quarter-finals | Shimizu Y. | Shimabukuro S. | 2:1 (63:7, 6:3, 6:3) | details | 19.08.2025 | ||
| 1/8-finals | Martin A. | Shimizu Y. | 2:0 (7:5, 6:3) | details | 23.07.2025 | ||
| 1/16-finals | Mejia N. | Shimizu Y. | 0:2 (4:6, 2:6) | details | 22.07.2025 | ||
| Quarter-finals | Shimizu Y. | Holmgren A. | 1:2 (4:6, 6:4, 3:6) | details | 18.07.2025 | ||
| 1/8-finals | Watanuki Y. | Shimizu Y. | WO. | details | 17.07.2025 | ||
| 1/16-finals | Wu Tung-Lin | Shimizu Y. | 1:2 (4:6, 6:1, 5:7) | details | 15.07.2025 | ||
| Quarter-finals | Blockx A. | Shimizu Y. | 2:0 (6:2, 6:4) | details | 12.07.2025 | ||
| Semi-finals | Cukierman D./Schwaerzler J. J. | Shimizu Y./Tajima N. | 2:1 (2:6, 6:3, 10:4) | details | 09.01.2026 | ||
| Quarter-finals | Shimizu Y./Tajima N. | Auytayakul S./Chanta T. | 2:1 (2:6, 7:65, 10:7) | details | 08.01.2026 | ||
| 1/8-finals | Shimizu Y./Tajima N. | Jones M./Stevenson K. | 2:1 (7:63, 2:6, 10:6) | details | 07.01.2026 | ||
| Semi-finals | Isomura K./Shimizu Y. | Oberleitner N./Vrbensky M. | 1:2 (6:3, 3:6, 6:10) | details | 21.11.2025 | ||
| Quarter-finals | Isomura K./Shimizu Y. | Uesugi K./Watanabe S. | 2:0 (6:3, 6:4) | details | 20.11.2025 | ||
| 1/8-finals | Hsu Y. H./Huang T. | Isomura K./Shimizu Y. | 0:2 (4:6, 2:6) | details | 19.11.2025 | ||
| 1/8-finals | Hsu Y. H./Huang T. | Isomura K./Shimizu Y. | 2:0 (6:3, 6:4) | details | 11.11.2025 | ||
| Quarter-finals | Lammons N./Rojer J. | Imamura M./Shimizu Y. | 2:0 (6:2, 6:4) | details | 06.11.2025 | ||
| 1/8-finals | Hazawa S./Vithoontien L. | Imamura M./Shimizu Y. | 0:2 (61:7, 65:7) | details | 05.11.2025 | ||
| Quarter-finals | Ho R./Romios M. C. | Shimizu Y./Uchida K. | 2:0 (6:1, 6:2) | details | 30.10.2025 | ||
| 1/8-finals | Hsu Y. H./Huang T. | Shimizu Y./Uchida K. | 1:2 (6:3, 4:6, 3:10) | details | 29.10.2025 | ||
| Semi-finals | Bayldon B./Ho R. | Shimizu Y./Tajima N. | 2:0 (7:5, 6:3) | details | 24.10.2025 | ||
| Quarter-finals | Shimizu Y./Tajima N. | Agafonov E./Simakin I. | 2:0 (7:5, 6:3) | details | 23.10.2025 | ||
| 1/8-finals | Uesugi K./Watanabe S. | Shimizu Y./Tajima N. | 1:2 (6:4, 3:6, 6:10) | details | 22.10.2025 | ||
| Quarter-finals | Lammons N./Rojer J. | Shimizu Y./Tajima N. | 2:1 (4:6, 7:62, 10:7) | details | 16.10.2025 | ||
| 1/8-finals | Bar Biryukov P./Lomakin G. | Shimizu Y./Tajima N. | 1:2 (6:4, 5:7, 3:10) | details | 15.10.2025 | ||
| 1/8-finals | Hsu Y. H./Shimizu Y. | Bar Biryukov P./Sharipov M. | 1:2 (65:7, 6:3, 6:10) | details | 11.09.2025 | ||
| Quarter-finals | Uesugi K./Watanabe S. | Isomura K./Shimizu Y. | 2:1 (3:6, 6:0, 10:8) | details | 04.09.2025 | ||
| 1/8-finals | McCabe J./Tomic B. | Isomura K./Shimizu Y. | 0:2 (2:6, 2:6) | details | 03.09.2025 | ||
| 1/8-finals | Bayldon B./Hilderbrand T. | Imamura M./Shimizu Y. | 2:1 (6:4, 4:6, 10:8) | details | 23.07.2025 | ||
| Final | Reynolds F./Watt J. | Pearson K./Shimizu Y. | 2:0 (6:3, 6:4) | details | 19.07.2025 | ||
| Semi-finals | Pearson K./Shimizu Y. | Flores J./van Wyk K. | 2:1 (4:6, 7:5, 10:2) | details | 18.07.2025 | ||
| Quarter-finals | Kumar P./Sheehy J. | Pearson K./Shimizu Y. | 0:2 (5:7, 2:6) | details | 18.07.2025 | ||
| 1/8-finals | Arseneault M./Arseneault N. | Pearson K./Shimizu Y. | 0:2 (3:6, 2:6) | details | 16.07.2025 | ||