Select tournament type
| 1/8-finals | Tararudee L. | Naito Y. | 2:0 (6:3, 6:4) | details | 30.04.2026 | ||
| 1/16-finals | Thandi K. K. | Naito Y. | 0:2 (1:6, 2:6) | details | 29.04.2026 | ||
| 1/8-finals | Naito Y. | Hontama M. | 1:2 (1:6, 7:65, 5:7) | details | 23.04.2026 | ||
| 1/16-finals | Hon P. | Naito Y. | 0:2 (2:6, 2:6) | details | 22.04.2026 | ||
| 1/8-finals | Naito Y. | Inoue H. | 1:2 (4:6, 6:2, 65:7) | details | 09.04.2026 | ||
| 1/16-finals | Naito Y. | Kuramochi M. | 2:1 (4:6, 7:5, 6:2) | details | 08.04.2026 | ||
| 1/16-finals | Naito Y. | Lee E. | 0:2 (1:6, 2:6) | details | 18.03.2026 | ||
| 1/8-finals | Naito Y. | Zhu L. | 0:2 (3:6, 2:6) | details | 12.02.2026 | ||
| 1/16-finals | Naito Y. | Thompson B. | 2:0 (7:5, 6:4) | details | 10.02.2026 | ||
| 1/16-finals | Kinoshita H. | Naito Y. | 2:0 (6:4, 6:1) | details | 03.02.2026 | ||
| Semi-finals | Naito Y. | Pigato L. | 0:2 (65:7, 4:6) | details | 10.01.2026 | ||
| Quarter-finals | Hercog P. | Naito Y. | 0:2 (2:6, 4:6) | details | 09.01.2026 | ||
| 1/8-finals | Yao X. | Naito Y. | 0:2 (4:6, 2:6) | details | 08.01.2026 | ||
| 1/16-finals | Naito Y. | Niemeier J. | 2:1 (4:6, 6:1, 6:4) | details | 07.01.2026 | ||
| 1/16-finals | Karatancheva L. | Naito Y. | 1:1 RET. (4:6, 6:3, 3:1) | details | 28.10.2025 | ||
| 1/16-finals | Chang H. | Naito Y. | 2:0 (7:5, 6:2) | details | 20.10.2025 | ||
| 1/8-finals | Hobgarski K. | Naito Y. | 2:0 (6:4, 6:3) | details | 09.10.2025 | ||
| 1/16-finals | Naito Y. | Tsygourova K. | 2:1 (2:6, 6:3, 6:2) | details | 08.10.2025 | ||
| 1/16-finals | Petkovic A. | Naito Y. | 2:0 (6:4, 6:4) | details | 01.10.2025 | ||
| Semi-finals | Naito Y. | Cherubini D. | 0:2 (3:6, 2:6) | details | 07.09.2025 | ||
| 1/16-finals | Wang Y. | Naito Y. | 2:0 (7:5, 6:4) | details | 03.09.2025 | ||
| 1/8-finals | Naito Y. | Cheapchandej P. | 0:2 (4:6, 2:6) | details | 28.08.2025 | ||
| 1/16-finals | Rioux L. | Naito Y. | 0:2 (2:6, 3:6) | details | 27.08.2025 | ||
| 1/16-finals | Naito Y. | El Ouazzani N. | CAN. | details | 23.07.2025 | ||
| Semi-finals | Naito Y. | Zolotareva A. | 0:2 (4:6, 4:6) | details | 19.07.2025 | ||
| Quarter-finals | Lollia M. | Naito Y. | 0:2 (1:6, 3:6) | details | 18.07.2025 | ||
| 1/8-finals | Naito Y. | Reyngold E. | 2:1 (4:6, 6:4, 6:4) | details | 17.07.2025 | ||
| 1/16-finals | Naito Y. | Teixido Garcia M. | 2:0 (6:2, 7:5) | details | 16.07.2025 | ||
| 1/16-finals | El Allami M. | Naito Y. | CAN. | details | 09.07.2025 | ||
| Quarter-finals | Naito Y. | Schunk N. | 0:2 (1:6, 1:6) | details | 04.07.2025 | ||
| 1/8-finals | Naito Y. | Kazionova E. | 2:0 (7:66, 6:4) | details | 03.07.2025 | ||
| 1/16-finals | Janicijevic S. | Naito Y. | 1:2 (6:4, 1:6, 1:6) | details | 03.07.2025 | ||
| 1/32-finals | Naito Y. | Granwehr A. | 2:0 (7:61, 6:0) | details | 01.07.2025 | ||
| Quarter-finals | Lemaitre T. | Naito Y. | 2:0 (6:0, 7:5) | details | 20.06.2025 | ||
| 1/8-finals | Naito Y. | Gimbrere J. | 2:0 (7:5, 6:2) | details | 19.06.2025 | ||
| 1/16-finals | Naito Y. | Evtimova D. | 2:0 (6:2, 6:1) | details | 18.06.2025 | ||
| 1/16-finals | Naito Y. | Milic E. N. | 0:2 (5:7, 2:6) | details | 13.05.2025 | ||
| 1/8-finals | Kimura M./Yamada M. | Naito Y./Sakatsume H. | 0:2 (0:6, 2:6) | details | 30.04.2026 | ||
| 1/8-finals | Panshina V./Wang J. | Chanta A./Naito Y. | 2:0 (6:4, 6:1) | details | 17.03.2026 | ||
| 1/8-finals | Naito Y./Sato N. | Sato H./Zhang Y. | 0:2 (5:7, 3:6) | details | 10.02.2026 | ||
| Quarter-finals | da Silva Fick G./McGiffin T. | Naito Y./Sato N. | 2:0 (6:3, 7:5) | details | 05.02.2026 | ||
| 1/8-finals | Subasic A./Thompson B. | Naito Y./Sato N. | 1:2 (5:7, 6:4, 5:10) | details | 04.02.2026 | ||
| 1/8-finals | Ganz F./Naito Y. | Giambelli C./Pieroni S. | 1:2 (63:7, 6:3, 5:10) | details | 30.09.2025 | ||
| Semi-finals | Kawaguchi N./Naito Y. | Hosogi S./Matsuda M. | 1:2 (7:65, 5:7, 8:10) | details | 29.08.2025 | ||
| Quarter-finals | Lee Y./Lin F. A. | Kawaguchi N./Naito Y. | 1:2 (64:7, 7:67, 9:11) | details | 28.08.2025 | ||
| 1/8-finals | Kawaguchi N./Naito Y. | Kaewka C./Prasutnawin A. | 2:0 (6:0, 6:1) | details | 26.08.2025 | ||
| Final | Gimbrere J./Pawlikowska Z. | Naito Y./Reyngold E. | 1:2 (7:65, 1:6, 3:10) | details | 19.07.2025 | ||
| Semi-finals | Ebeling Koning L./Van Emst S. | Naito Y./Reyngold E. | 0:2 (5:7, 4:6) | details | 18.07.2025 | ||
| Quarter-finals | De Zeeuw J./Du Pree B. | Naito Y./Reyngold E. | WO. | details | 17.07.2025 | ||
| 1/8-finals | Gaillard D./Thomas Iglesias L. | Naito Y./Reyngold E. | 0:2 (0:6, 0:6) | details | 15.07.2025 | ||