Select tournament type
| Quarter-finals | Kang Ku K. | Chung Y. | 0:1 RET. (2:6, 0:0) | details | 21.08.2026 | ||
| 1/8-finals | Kang Ku K. | Alhogbani A. F. | 2:1 (1:6, 6:3, 6:4) | details | 20.08.2026 | ||
| 1/16-finals | Kim D. J. | Kang Ku K. | 0:2 (3:6, 3:6) | details | 19.08.2026 | ||
| 1/16-finals | Kang Ku K. | Karigyo T. | 1:2 (2:6, 6:4, 4:6) | details | 05.08.2026 | ||
| Semi-finals | Kang Ku K. | Masur D. | 0:2 (3:6, 0:6) | details | 19.04.2026 | ||
| Semi-finals | Tokuda R. | Kang Ku K. | 2:0 (6:4, 6:2) | details | 12.04.2026 | ||
| 1/16-finals | Shin S. | Kang Ku K. | 2:0 (6:1, 6:4) | details | 26.11.2025 | ||
| 1/16-finals | Nam Ji S. | Kang Ku K. | 2:1 (4:6, 6:4, 6:4) | details | 20.05.2025 | ||
| 1/8-finals | Winter E. | Kang Ku K. | 2:0 (6:3, 6:2) | details | 06.06.2024 | ||
| 1/16-finals | Kang Ku K. | Nishiwaki K. | 2:0 (7:66, 6:2) | details | 05.06.2024 | ||
| 1/16-finals | Amoros Ramos P. | Kang Ku K. | 2:0 (6:1, 6:4) | details | 29.11.2023 | ||
| 1/16-finals | Kang Ku K. | Lee J. M. | 1:2 (4:6, 7:5, 4:6) | details | 07.06.2023 | ||
| 1/8-finals | Kang Ku K. | Nishiwaki K. | 0:2 (3:6, 1:6) | details | 25.08.2022 | ||
| 1/16-finals | Bouzige M. | Kang Ku K. | 0:2 (3:6, 3:6) | details | 24.08.2022 | ||
| 1/16-finals | Kang Ku K. | Grigelis L. | 0:2 (6:7, 3:6) | details | 21.05.2013 | ||
| 1/16-finals | Kang Ku K. | Nguyen D. | 0:2 (3:6, 1:6) | details | 08.05.2013 | ||
| 1/16-finals | Kang Ku K. | Kim C. | 0:2 (3:6, 3:6) | details | 22.05.2012 | ||
| Quarter-finals | Hashimoto H./Heck H. | Kang Ku K./Lee W. B. | 2:0 (7:5, 6:3) | details | 21.05.2026 | ||
| 1/8-finals | Kang Ku K./Lee W. B. | Cho Seung Woo/Lee D. H. | 2:0 (7:65, 6:3) | details | 19.05.2026 | ||
| 1/8-finals | Ann S./Oh Chan-Yeong | Kang Ku K./Lee D. H. | 2:0 (6:1, 6:2) | details | 12.05.2026 | ||
| Semi-finals | Jang Y./Kim D. J. | Ann S./Kang Ku K. | 2:0 (6:3, 6:3) | details | 28.11.2025 | ||
| Quarter-finals | Kang J./Lee J. H. | Ann S./Kang Ku K. | 1:2 (6:4, 3:6, 8:10) | details | 27.11.2025 | ||
| 1/8-finals | Ann S./Kang Ku K. | Inui Y./Saitoh K. | 2:1 (5:7, 6:3, 10:8) | details | 25.11.2025 | ||
| 1/8-finals | Kang Ku K./Lee Y. S. | Nam Ji S./Sim S. | 0:2 (1:6, 3:6) | details | 20.05.2025 | ||
| Quarter-finals | Chu S./Kang Ku K. | Niki T./Sekiguchi S. | 1:2 (3:6, 7:63, 11:13) | details | 25.08.2022 | ||
| 1/8-finals | Chu S./Kang Ku K. | Jeong S./Lee H. G. | 2:0 (6:2, 6:2) | details | 23.08.2022 | ||