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| Semi-finals | Rajecki A. | Kuwata H. | 2:1 (6:1, 1:6, 6:1) | dettagli | 26.09.2026 | ||
| 1/16-finals | Kuwata H. | Deng T. T. | 0:2 (4:6, 4:6) | dettagli | 16.09.2026 | ||
| Semi-finals | Kuramochi M. | Kuwata H. | 2:0 (7:62, 6:4) | dettagli | 26.07.2026 | ||
| 1/16-finals | Kuwata H. | Evans T. | 0:2 (2:6, 2:6) | dettagli | 24.06.2026 | ||
| Semi-finals | Naef C. | Kuwata H. | 2:0 (6:1, 6:4) | dettagli | 07.06.2026 | ||
| 1/8-finals | da Silva Fick G./Kulambayeva Z. | Kuwata H./Raina A. | 2:0 (6:1, 6:1) | dettagli | 04.11.2026 | ||
| Semi-finals | Harrison C./Hewitt D. | Kuwata H./Raina A. | 2:0 (6:4, 7:68) | dettagli | 31.10.2026 | ||
| Quarter-finals | Kuwata H./Raina A. | Mair L./Serban I. M. | 2:0 (6:3, 6:1) | dettagli | 29.10.2026 | ||
| Final | Christie F./Silva E. | Kuwata H./Raina A. | 2:0 (6:2, 6:3) | dettagli | 25.10.2026 | ||
| Semi-finals | Kuwata H./Raina A. | Avdeeva J./Monnet C. | 2:1 (6:1, 63:7, 10:1) | dettagli | 23.10.2026 | ||
| Quarter-finals | Dudeney A./Malygina E. | Kuwata H./Raina A. | 1:2 (5:7, 6:0, 7:10) | dettagli | 22.10.2026 | ||
| 1/8-finals | Hodzic M./Sebestova I. | Kuwata H./Raina A. | 1:2 (2:6, 6:4, 6:10) | dettagli | 20.10.2026 | ||
| 1/8-finals | Kuwata H./Raina A. | Salkova D./Siskova A. | 1:2 (3:6, 6:3, 6:10) | dettagli | 14.10.2026 | ||
| Quarter-finals | Brooks M./Ovcharenko E. | Kuwata H./Ye Q. | 2:0 (6:4, 6:1) | dettagli | 08.10.2026 | ||
| 1/8-finals | Kuwata H./Ye Q. | Shi H./Yao X. | 2:1 (6:2, 65:7, 10:4) | dettagli | 07.10.2026 | ||
| 1/8-finals | Kuwata H./Ye Q. | Ma Y./Sawangkaew M. | CAN. | dettagli | 07.10.2026 | ||
| Quarter-finals | Kuwata H./Zheng W. | Li Y./Zhang Y. | 1:2 (6:4, 5:7, 12:14) | dettagli | 01.10.2026 | ||
| 1/8-finals | Kuwata H./Zheng W. | Nugroho P. M./Yashina E. | 2:0 (7:63, 6:1) | dettagli | 29.09.2026 | ||
| Quarter-finals | Kuwata H./Shimizu E. | Ishii S./Sawashiro K. | 0:2 (4:6, 4:6) | dettagli | 17.09.2026 | ||
| 1/8-finals | Kuwata H./Shimizu E. | Hosoki Y./Yoshimoto N. | 2:0 (6:4, 6:2) | dettagli | 15.09.2026 | ||
| Final | Guo M./Yang Y. | Kuwata H./Shimizu E. | 2:1 (4:6, 6:3, 10:8) | dettagli | 12.09.2026 | ||
| Semi-finals | Kuwata H./Shimizu E. | Li Y./Zhang Y. | 2:1 (3:6, 6:4, 10:7) | dettagli | 11.09.2026 | ||
| Quarter-finals | Hou Y./Wang J. | Kuwata H./Shimizu E. | 1:2 (1:6, 6:2, 9:11) | dettagli | 10.09.2026 | ||
| 1/8-finals | Back D./Kawaguchi N. | Kuwata H./Shimizu E. | 0:2 (67:7, 4:6) | dettagli | 08.09.2026 | ||
| 1/8-finals | Kuwata H./Nugroho P. M. | Sema E./Yamaguchi M. | 1:2 (6:3, 1:6, 8:10) | dettagli | 02.09.2026 | ||
| 1/8-finals | Kuwata H./Raina A. | Rogers A. S./Zamarripa A. | 0:2 (4:6, 3:6) | dettagli | 04.08.2026 | ||
| 1/8-finals | Cabrera L./Kuwata H. | Kinoshita H./Sakatsume H. | 1:2 (6:4, 4:6, 4:10) | dettagli | 30.07.2026 | ||
| Quarter-finals | Zamarripa A./Zarazua R. | Kuwata H./Raina A. | 2:0 (6:1, 6:3) | dettagli | 23.07.2026 | ||
| 1/8-finals | Kulevich G./Myers E. | Kuwata H./Raina A. | 1:2 (7:5, 3:6, 7:10) | dettagli | 22.07.2026 | ||
| Quarter-finals | Kuwata H./Ngounoue C. | Lewis M./Sebov K. | WO. | dettagli | 10.07.2026 | ||
| 1/8-finals | Kuwata H./Ngounoue C. | Ansari C./Sanchez A. S. | 2:0 (6:1, 7:65) | dettagli | 10.07.2026 | ||
| Final | Kuwata H./Raina A. | Harrison C./Hewitt D. | 0:2 (4:6, 2:6) | dettagli | 06.07.2026 | ||
| Semi-finals | Brantmeier R./Hamilton A. | Kuwata H./Raina A. | 1:2 (3:6, 6:1, 7:10) | dettagli | 05.07.2026 | ||
| Quarter-finals | Kuwata H./Raina A. | Lincer O./Ovcharenko E. | 2:1 (6:2, 2:6, 10:6) | dettagli | 04.07.2026 | ||
| 1/8-finals | Kuwata H./Raina A. | Maltby S./Zampardo M. | 2:0 (6:4, 6:3) | dettagli | 03.07.2026 | ||
| 1/8-finals | Kuwata H./Raina A. | Brace C./Ma L. | CAN. | dettagli | 03.07.2026 | ||
| Quarter-finals | Akli A./Kuwata H. | Daniel J./Fairclough L. | 0:2 (2:6, 3:6) | dettagli | 25.06.2026 | ||
| 1/8-finals | Akli A./Kuwata H. | Iyengar M./Khayrutdinova E. | 2:1 (6:3, 1:6, 10:2) | dettagli | 23.06.2026 | ||
| 1/8-finals | Bara I./Karamoko N. | Kuwata H./Tran L. | 2:0 (6:3, 6:2) | dettagli | 16.06.2026 | ||
| 1/8-finals | Harrison C./Osborne A. | Kuwata H./Sawangkaew M. | 2:0 (7:5, 6:4) | dettagli | 11.06.2026 | ||
| 1/8-finals | Naef C./Webley-Smith E. | Kuwata H./Tran L. | 2:0 (6:3, 7:66) | dettagli | 03.06.2026 | ||
| 1/8-finals | Hon P./Masarova R. | Kuwata H./Tran L. | CAN. | dettagli | 03.06.2026 | ||
| 1/8-finals | Kawaguchi N./Kuwata H. | Matsuda M./Yamazaki I. | 0:2 (1:6, 4:6) | dettagli | 20.05.2026 | ||
| Semi-finals | da Silva Fick G./McGiffin T. | Kawaguchi N./Kuwata H. | 2:1 (2:6, 6:4, 10:7) | dettagli | 15.05.2026 | ||
| Quarter-finals | Kawaguchi N./Kuwata H. | Kobori M./Morisaki K. | 2:0 (7:5, 6:3) | dettagli | 14.05.2026 | ||
| 1/8-finals | Saito S./Yamaguchi M. | Kawaguchi N./Kuwata H. | 0:2 (3:6, 1:6) | dettagli | 12.05.2026 | ||
| 1/8-finals | Kawaguchi N./Kuwata H. | da Silva Fick G./McGiffin T. | 0:2 (65:7, 4:6) | dettagli | 05.05.2026 | ||
| Final | Lansere S./Zolotareva A. | Kuwata H./Li Y. | 2:0 (6:4, 6:1) | dettagli | 03.05.2026 | ||
| Semi-finals | Kuwata H./Li Y. | Mikulskyte J./Papamichail D. | WO. | dettagli | 02.05.2026 | ||
| Quarter-finals | Guo M./Zhu A. | Kuwata H./Li Y. | 1:2 (69:7, 7:5, 5:10) | dettagli | 30.04.2026 | ||