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| 1/16-finals | Jeong B. | Kobayashi H. | 1:0 RET. (6:0, 3:0) | detalhes | 22.04.2026 | ||
| 1/16-finals | Ito A. | Kobayashi H. | 2:0 (6:1, 6:0) | detalhes | 08.04.2026 | ||
| Semi-finals | Kobayashi H. | Yoshioka K. | 1:2 (7:64, 1:6, 5:7) | detalhes | 13.03.2026 | ||
| Quarter-finals | Colling S. | Kobayashi H. | 1:2 (6:4, 4:6, 0:6) | detalhes | 13.03.2026 | ||
| 1/8-finals | Das A. | Kobayashi H. | 1:2 (5:7, 6:1, 5:7) | detalhes | 12.03.2026 | ||
| 1/16-finals | Kobayashi H. | Khan L. | 2:0 (6:4, 6:2) | detalhes | 11.03.2026 | ||
| 1/8-finals | Micic E. | Kobayashi H. | 2:0 (6:2, 6:0) | detalhes | 05.03.2026 | ||
| 1/16-finals | Sato H. | Kobayashi H. | 1:2 (6:3, 4:6, 4:6) | detalhes | 03.03.2026 | ||
| 1/8-finals | Mushika Mio | Kobayashi H. | 2:0 (6:3, 6:0) | detalhes | 26.02.2026 | ||
| 1/16-finals | Goto R. | Kobayashi H. | 0:2 (5:7, 63:7) | detalhes | 25.02.2026 | ||
| Quarter-finals | Kobayashi H. | Chaudhari V. | 0:2 (3:6, 4:6) | detalhes | 02.01.2026 | ||
| 1/8-finals | Kobayashi H. | Patil S. | 2:0 (6:2, 6:2) | detalhes | 01.01.2026 | ||
| 1/16-finals | Kobayashi H. | Sagandikova A. | 2:0 (7:64, 6:3) | detalhes | 30.12.2025 | ||
| Quarter-finals | Ozeki M. | Kobayashi H. | 2:0 (6:4, 6:2) | detalhes | 26.12.2025 | ||
| 1/8-finals | Kobayashi H. | Van Poppel E. | 2:0 (6:2, 6:4) | detalhes | 25.12.2025 | ||
| 1/16-finals | Kobayashi H. | Ingale P. | 2:0 (6:1, 6:0) | detalhes | 23.12.2025 | ||
| 1/16-finals | Saigo R. | Kobayashi H. | 2:0 (6:0, 6:1) | detalhes | 22.10.2025 | ||
| 1/16-finals | Kobayashi H. | Leykina P. | 1:2 (6:3, 5:7, 63:7) | detalhes | 15.10.2025 | ||
| 1/8-finals | Guo H. | Kobayashi H. | 2:0 (6:1, 6:3) | detalhes | 11.09.2025 | ||
| 1/16-finals | Kobayashi H. | Han J. | 2:0 (7:5, 7:5) | detalhes | 10.09.2025 | ||
| 1/8-finals | Hou Y. | Kobayashi H. | 2:0 (6:3, 6:1) | detalhes | 04.09.2025 | ||
| 1/16-finals | Wang X. | Kobayashi H. | 0:2 (3:6, 3:6) | detalhes | 03.09.2025 | ||
| 1/8-finals | Choi O. | Kobayashi H. | 2:0 (6:2, 6:3) | detalhes | 24.07.2025 | ||
| 1/16-finals | Xu J. | Kobayashi H. | 1:1 RET. (3:6, 6:3, 0:2) | detalhes | 22.07.2025 | ||
| 1/8-finals | Kobayashi H./Yoshimoto N. | Kosaka R./Uemura M. | 0:2 (4:6, 3:6) | detalhes | 21.04.2026 | ||
| Quarter-finals | Aikawa M./Kobayashi H. | Nagata A./Sato N. | 0:2 (5:7, 3:6) | detalhes | 16.04.2026 | ||
| 1/8-finals | Ito A./Shimizu A. | Aikawa M./Kobayashi H. | 1:2 (2:6, 6:2, 8:10) | detalhes | 15.04.2026 | ||
| 1/8-finals | Arakawa A./Ueda Y. | Hosoki Y./Kobayashi H. | 2:0 (6:4, 7:5) | detalhes | 07.04.2026 | ||
| 1/8-finals | Sato H./Sato N. | Kobayashi H./Ozeki M. | 2:1 (66:7, 6:2, 11:9) | detalhes | 18.03.2026 | ||
| Semi-finals | Barry M./Osborne A. | Kobayashi H./Yoshioka K. | 2:0 (6:1, 6:3) | detalhes | 14.03.2026 | ||
| Quarter-finals | Kobayashi H./Yoshioka K. | Colling S./Otway J. | 2:0 (6:2, 6:2) | detalhes | 12.03.2026 | ||
| 1/8-finals | Kobayashi H./Yoshioka K. | Gale L./Giesen A. | 2:0 (6:4, 6:0) | detalhes | 10.03.2026 | ||
| 1/8-finals | Kobayashi H./Sato H. | Wan I W./Yoshioka K. | 0:2 (3:6, 5:7) | detalhes | 04.03.2026 | ||
| Semi-finals | Barry M./Osborne A. | Kobayashi H./Sato H. | 2:0 (7:64, 6:2) | detalhes | 27.02.2026 | ||
| Quarter-finals | Simes A./Swarbrick E. | Kobayashi H./Sato H. | 0:2 (2:6, 4:6) | detalhes | 26.02.2026 | ||
| 1/8-finals | Kobayashi H./Sato H. | Cilek M./Nishikawa K. | 2:0 (6:3, 6:1) | detalhes | 24.02.2026 | ||
| Final | Kawamura M./Kobayashi H. | Golovina M./Sagandikova A. | 0:2 (3:6, 2:6) | detalhes | 03.01.2026 | ||
| Semi-finals | Kawamura M./Kobayashi H. | Mikhaylova M./Yashina E. | 2:0 (6:1, 6:2) | detalhes | 02.01.2026 | ||
| Quarter-finals | Kawamura M./Kobayashi H. | Arora A./Dabas T. | WO. | detalhes | 31.12.2025 | ||
| 1/8-finals | Kawamura M./Kobayashi H. | Anugonda S. R./Sama C. R. | 2:0 (6:4, 6:0) | detalhes | 31.12.2025 | ||
| Semi-finals | Kobayashi H./Ozeki M. | Desai Z./Nepliy E. | 1:2 (6:3, 2:6, 6:10) | detalhes | 26.12.2025 | ||
| Quarter-finals | Kawamura M./Kuwata H. | Kobayashi H./Ozeki M. | 0:2 (5:7, 2:6) | detalhes | 25.12.2025 | ||
| 1/8-finals | Kobayashi H./Ozeki M. | Kalugade G. N./Singh S. | 2:0 (6:0, 6:0) | detalhes | 24.12.2025 | ||
| 1/8-finals | Kobayashi H./Nagata A. | Dang Y./Sun Y. | 1:2 (3:6, 7:62, 3:10) | detalhes | 14.10.2025 | ||
| 1/8-finals | Kobayashi H./Sato H. | Ren Y./Shi H. | 1:2 (4:6, 6:2, 7:10) | detalhes | 16.09.2025 | ||
| 1/8-finals | Tian F./Zhang Y. | Kobayashi H./Matsuda R. | 2:0 (6:3, 6:0) | detalhes | 09.09.2025 | ||
| 1/8-finals | Jeng J. Y./Kobayashi H. | Ni Ma Z./Wong Hong Yi C. | 0:2 (2:6, 63:7) | detalhes | 02.09.2025 | ||
| Semi-finals | Kobayashi H./Nagata A. | Han J./Lee E. | 0:2 (5:7, 0:6) | detalhes | 25.07.2025 | ||
| Quarter-finals | Jessup M./Kang N. H. | Kobayashi H./Nagata A. | 0:2 (3:6, 3:6) | detalhes | 24.07.2025 | ||
| 1/8-finals | Hu F./Xu J. | Kobayashi H./Nagata A. | 0:2 (63:7, 4:6) | detalhes | 23.07.2025 | ||