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| 1/16-finals | Sach T. | Nakagawa N. | 2:0 (6:3, 6:4) | details | 28.10.2026 | ||
| 1/8-finals | Dellavedova M. | Nakagawa N. | 2:0 (6:3, 6:2) | details | 23.10.2026 | ||
| 1/16-finals | Anderson O. | Nakagawa N. | 1:2 (2:6, 7:65, 2:6) | details | 22.10.2026 | ||
| 1/16-finals | Nakagawa N. | Roddick J. | CAN. | details | 09.09.2026 | ||
| Final | Matsuda R. | Nakagawa N. | 0:2 (3:6, 65:7) | details | 06.09.2026 | ||
| Final | Kusuhara Y./Nakagawa S. | Mitsui S./Nakagawa N. | 2:0 (6:4, 6:4) | details | 05.09.2026 | ||
| Semi-finals | Mitsui S./Nakagawa N. | Sueoka Y./Tajima N. | 2:0 (6:2, 6:4) | details | 04.09.2026 | ||
| Quarter-finals | Fukuda S./Kawahashi Y. | Mitsui S./Nakagawa N. | 0:2 (0:6, 2:6) | details | 03.09.2026 | ||
| 1/8-finals | Mitsui S./Nakagawa N. | Ichikawa T./Noguchi M. | 2:0 (6:0, 6:4) | details | 01.09.2026 | ||
| Quarter-finals | Jeong Y./Matsuda K. | Mitsui S./Nakagawa N. | 2:0 (7:64, 6:3) | details | 09.07.2026 | ||