Select tournament type
| Quarter-finals | Kusuhara Y. | Kadiri Hassani Y. | 0:2 (4:6, 1:6) | details | 05.06.2026 | ||
| 1/8-finals | Kusuhara Y. | Nishiwaki K. | 2:0 (7:62, 7:5) | details | 04.06.2026 | ||
| 1/16-finals | Kusuhara Y. | Komada E. | 2:1 (67:7, 7:61, 7:5) | details | 02.06.2026 | ||
| 1/8-finals | Kusuhara Y. | Matsuoka S. | 0:2 (2:6, 4:6) | details | 28.05.2026 | ||
| 1/16-finals | Kusuhara Y. | Tanaka Y. | 2:0 (6:4, 6:0) | details | 26.05.2026 | ||
| Semi-finals | Kusuhara Y. | Dellavedova M. | 0:2 (0:6, 3:6) | details | 26.04.2026 | ||
| Semi-finals | Vithoontien L. | Kusuhara Y. | 2:0 (6:3, 7:5) | details | 12.04.2026 | ||
| Final | Kusuhara Y. | Matsuda K. | 0:2 (4:6, 2:6) | details | 30.03.2026 | ||
| Semi-finals | Huang T. | Kusuhara Y. | 0:0 RET. (4:5) | details | 29.03.2026 | ||
| Semi-finals | Kusuhara Y. | Huang T. | 0:2 (2:6, 2:6) | details | 22.03.2026 | ||
| Semi-finals | Kusuhara Y. | Gengel M. | 0:2 (2:6, 62:7) | details | 02.03.2026 | ||
| Semi-finals | Kusuhara Y. | Cook E. | 0:2 (1:6, 5:7) | details | 04.01.2026 | ||
| Quarter-finals | Kusuhara Y. | Santillan A. | 0:2 (3:6, 2:6) | details | 21.11.2025 | ||
| 1/8-finals | Shimizu Y. | Kusuhara Y. | 0:2 (3:6, 3:6) | details | 19.11.2025 | ||
| 1/16-finals | Isomura K. | Kusuhara Y. | 0:2 (5:7, 3:6) | details | 18.11.2025 | ||
| Final | Matsuda K. | Kusuhara Y. | 1:2 (7:62, 1:6, 2:6) | details | 17.11.2025 | ||
| Semi-finals | Ando G. | Kusuhara Y. | 0:2 (0:6, 1:6) | details | 16.11.2025 | ||
| Semi-finals | Kusuhara Y. | Shiraishi H. | 1:2 (4:6, 6:4, 3:6) | details | 09.11.2025 | ||
| 1/16-finals | Kusuhara Y. | Ferreira Silva F. | 1:2 (64:7, 7:63, 3:6) | details | 04.11.2025 | ||
| Final | Shiraishi H. | Kusuhara Y. | 2:0 (6:3, 6:4) | details | 27.10.2025 | ||
| Semi-finals | Fukuda S. | Kusuhara Y. | 0:2 (3:6, 4:6) | details | 27.10.2025 | ||
| Quarter-finals | Kusuhara Y. | Takamisawa T. | 2:0 (6:3, 6:4) | details | 24.10.2025 | ||
| 1/8-finals | Kusuhara Y. | Muto S. | 2:0 (6:1, 6:3) | details | 23.10.2025 | ||
| 1/16-finals | Kusuhara Y. | Otsuka K. | 2:0 (6:4, 6:1) | details | 22.10.2025 | ||
| Semi-finals | Delaney Ja./Kusuhara Y. | Delaney Je./Sinclair C. | 2:1 (3:6, 6:2, 12:10) | details | 12.06.2026 | ||
| Quarter-finals | Delaney Ja./Kusuhara Y. | Ichikawa T./Katayama S. | 2:1 (5:7, 6:4, 10:6) | details | 11.06.2026 | ||
| 1/8-finals | Delaney Ja./Kusuhara Y. | Ogura K./Tomida Y. | 2:0 (6:3, 6:1) | details | 09.06.2026 | ||
| Final | Kusuhara Y./Nakagawa S. | Delaney Je./Sach T. | 2:0 (6:4, 6:4) | details | 06.06.2026 | ||
| Semi-finals | Kusuhara Y./Nakagawa S. | Arcon A./Storch S. | 2:0 (7:5, 7:62) | details | 05.06.2026 | ||
| Quarter-finals | Kusuhara Y./Nakagawa S. | Ikeda Y./Vickery L. | 2:0 (6:2, 6:2) | details | 04.06.2026 | ||
| 1/8-finals | Kusuhara Y./Nakagawa S. | Matsui T./Noguchi M. | 2:0 (6:4, 6:4) | details | 03.06.2026 | ||
| Quarter-finals | Kusuhara Y./Tanaka Y. | Delaney Je./Sinclair C. | 1:2 (7:63, 64:7, 7:10) | details | 28.05.2026 | ||
| 1/8-finals | Ogura K./Takamisawa T. | Kusuhara Y./Tanaka Y. | 1:2 (7:64, 4:6, 6:10) | details | 27.05.2026 | ||
| 1/8-finals | Kusuhara Y./Nakagawa S. | Jung J./Uesugi K. | 1:2 (7:67, 3:6, 6:10) | details | 30.04.2026 | ||
| 1/8-finals | Barry C./Broom C. | Kusuhara Y./Nakagawa S. | 2:0 (6:3, 6:4) | details | 16.04.2026 | ||
| Semi-finals | Nam Ji S./Niklas-Salminen P. | Kusuhara Y./Nakagawa S. | 2:0 (6:3, 7:66) | details | 03.04.2026 | ||
| Quarter-finals | Kusuhara Y./Nakagawa S. | Hsu J./Ilagan A. | 2:0 (6:3, 7:5) | details | 02.04.2026 | ||
| 1/8-finals | Nedunchezhiyan J./Ramanathan R. | Kusuhara Y./Nakagawa S. | 0:2 (2:6, 4:6) | details | 01.04.2026 | ||
| Quarter-finals | Boulais J./Niklas-Salminen P. | Kusuhara Y./Nakagawa S. | 2:0 (7:63, 6:4) | details | 27.03.2026 | ||
| 1/8-finals | Kusuhara Y./Nakagawa S. | Nam Ji S./Park U. | 2:1 (4:6, 7:5, 10:6) | details | 24.03.2026 | ||
| 1/8-finals | Kusuhara Y./Nakagawa S. | Hewitt C./Kubler J. | CAN. | details | 04.03.2026 | ||
| Final | Delaney Ja./Puttergill C. | Kusuhara Y./Nakagawa S. | 0:2 (5:7, 3:6) | details | 09.01.2026 | ||
| Semi-finals | Kusuhara Y./Nakagawa S. | Reynolds F./Watt J. | 2:1 (7:64, 4:6, 10:7) | details | 08.01.2026 | ||
| Quarter-finals | Ogura K./Vithoontien L. | Kusuhara Y./Nakagawa S. | 0:2 (4:6, 5:7) | details | 07.01.2026 | ||
| 1/8-finals | Langmo C./Tomic B. | Kusuhara Y./Nakagawa S. | 1:2 (66:7, 7:5, 14:16) | details | 05.01.2026 | ||
| Quarter-finals | Kusuhara Y./Nakagawa S. | Oberleitner N./Vrbensky M. | 0:2 (3:6, 3:6) | details | 20.11.2025 | ||
| 1/8-finals | Ho R./Santillan A. | Kusuhara Y./Nakagawa S. | 0:2 (2:6, 5:7) | details | 19.11.2025 | ||
| 1/8-finals | Kusuhara Y./Nakagawa S. | Mochizuki Y./Taguchi R. | 0:2 (4:6, 3:6) | details | 03.11.2025 | ||
| Semi-finals | Kono Y./Kusuhara Y. | Nakagawa S./Takahata R. | 0:2 (61:7, 4:6) | details | 24.10.2025 | ||
| Quarter-finals | Kono Y./Kusuhara Y. | Chen Y. C./Hou C. | 2:0 (6:3, 6:3) | details | 23.10.2025 | ||