Select tournament type
| Semi-finals | Kim J. | Rifqi Fitriadi M. | 1:2 (6:1, 3:6, 2:6) | details | 18.07.2026 | ||
| Quarter-finals | Trongcharoenchaikul W. | Kim J. | 0:2 (3:6, 4:6) | details | 17.07.2026 | ||
| 1/8-finals | Hou C. | Kim J. | 0:2 (3:6, 2:6) | details | 16.07.2026 | ||
| 1/16-finals | Meng F. | Kim J. | 0:2 (4:6, 4:6) | details | 15.07.2026 | ||
| 1/16-finals | Kim J. | Roh H. | 0:2 (62:7, 4:6) | details | 08.07.2026 | ||
| 1/8-finals | Kim J. | Imamura M. | 0:2 (2:6, 2:6) | details | 18.06.2026 | ||
| 1/16-finals | Matsui T. | Kim J. | CAN. | details | 17.06.2026 | ||
| 1/16-finals | Ichikawa T. | Kim J. | 1:2 (6:4, 4:6, 1:6) | details | 17.06.2026 | ||
| Final | Honda N. | Kim J. | 0:2 (2:6, 3:6) | details | 14.06.2026 | ||
| Semi-finals | Shiraishi H. | Kim J. | 1:2 (4:6, 6:4, 2:6) | details | 13.06.2026 | ||
| Quarter-finals | Yamasaki J. | Kim J. | 0:2 (1:6, 4:6) | details | 12.06.2026 | ||
| 1/8-finals | Kim J. | Jones M. | 2:0 (6:4, 7:5) | details | 11.06.2026 | ||
| 1/16-finals | Kim J. | Taka Y. | 2:0 (6:2, 6:4) | details | 10.06.2026 | ||
| 1/8-finals | Glinka D. | Kim J. | 2:1 (65:7, 6:3, 6:2) | details | 14.11.2025 | ||
| 1/16-finals | Kim J. | Baadi T. | 2:0 (6:3, 6:3) | details | 12.11.2025 | ||
| Final | Kirchheimer S. | Kim J. | 0:2 (3:6, 2:6) | details | 10.11.2025 | ||
| Semi-finals | Kim J. | Hilderbrand T. | 2:0 (6:1, 6:1) | details | 10.11.2025 | ||
| Semi-finals | Kim J. | Arutiunian E. | 0:2 (4:6, 65:7) | details | 26.10.2025 | ||
| 1/16-finals | Kim J. | Mitsui S. | 1:2 (7:5, 4:6, 4:6) | details | 30.09.2025 | ||
| Final | Goode G. | Kim J. | 2:1 (6:4, 1:6, 6:1) | details | 08.09.2025 | ||
| Semi-finals | Kim J. | Boulais J. | 2:1 (4:6, 6:0, 6:3) | details | 07.09.2025 | ||
| 1/8-finals | Matsuoka S. | Kim J. | 2:0 (6:2, 6:2) | details | 03.07.2025 | ||
| 1/16-finals | Kim J. | Isomura K. | 2:1 (4:6, 6:4, 7:64) | details | 02.07.2025 | ||
| 1/8-finals | Kim J. | Chu S. | 0:2 (4:6, 4:6) | details | 29.05.2025 | ||
| 1/16-finals | Kim J. | Hwang D. | 2:1 (4:6, 6:3, 6:4) | details | 27.05.2025 | ||
| 1/8-finals | Kim J. | Robertson C. | 0:2 (3:6, 4:6) | details | 04.09.2024 | ||
| 1/16-finals | Kim J. | Battiston A. | 2:0 (7:62, 6:2) | details | 03.09.2024 | ||
| 1/32-finals | Kim J. | Iutkin I. | 2:0 (6:1, 6:4) | details | 01.09.2024 | ||
| 1/16-finals | Kim J. | Robertson C. | 1:2 (6:4, 63:7, 3:6) | details | 10.07.2024 | ||
| 1/32-finals | Kim J. | Kennedy J. | 2:0 (6:3, 6:1) | details | 07.07.2024 | ||
| 1/16-finals | Miyoshi K. | Kim J. | 2:1 (6:3, 4:6, 7:5) | details | 12.06.2024 | ||
| 1/32-finals | Kim J. | Robertson C. | 1:2 (7:64, 3:6, 4:6) | details | 02.06.2024 | ||
| 1/8-finals | Hsu Y. H. | Kim J. | 2:0 (6:3, 6:2) | details | 04.04.2024 | ||
| 1/16-finals | Kim J. | Roh H. | 2:1 (6:4, 4:6, 7:63) | details | 02.04.2024 | ||
| 1/16-finals | Kim J. | Taguchi R. | 0:2 (2:6, 0:6) | details | 27.03.2024 | ||
| Quarter-finals | Rifqi Fitriadi M./Sarksian D. | Kim J./Roh H. | WO. | details | 16.07.2026 | ||
| 1/8-finals | Chen Y. C./Lin N. H. | Kim J./Roh H. | 0:2 (2:6, 3:6) | details | 14.07.2026 | ||
| Quarter-finals | Kim J./Roh H. | Rifqi Fitriadi M./Lee D. H. | 1:2 (6:2, 1:6, 10:12) | details | 09.07.2026 | ||
| 1/8-finals | Kim J./Roh H. | Han X./Mo Y. C. | 2:0 (6:2, 7:5) | details | 07.07.2026 | ||
| Quarter-finals | Jones H./Kim J. | Heck H./Magadan A. | 0:2 (615:7, 65:7) | details | 11.06.2026 | ||
| 1/8-finals | Masabayashi T./Ochi M. | Jones H./Kim J. | 0:2 (2:6, 2:6) | details | 09.06.2026 | ||
| Final | Jeong Y./Kim J. | Oki Y./Saitoh K. | WO. | details | 30.05.2026 | ||
| Semi-finals | Choe J./Park U. | Jeong Y./Kim J. | 0:2 (3:6, 2:6) | details | 29.05.2026 | ||
| Quarter-finals | Oh Chan-Yeong/Roh H. | Jeong Y./Kim J. | 0:2 (3:6, 3:6) | details | 28.05.2026 | ||
| 1/8-finals | Jeong Y./Kim J. | Jeong Y./Kim D. J. | 2:0 (6:3, 6:1) | details | 27.05.2026 | ||
| 1/8-finals | Jeong Y./Park U. | Kim D./Kim J. | 2:0 (6:3, 6:1) | details | 03.06.2025 | ||
| 1/16-finals | Honda N./Trouve N. | Kim J./Maksimovic M. | 2:1 (7:5, 4:6, 10:4) | details | 02.09.2024 | ||
| 1/16-finals | de Marchi A./Rapagnetta D. | Brunclik P./Kim J. | 2:1 (6:4, 1:6, 12:10) | details | 10.07.2024 | ||
| 1/8-finals | Jeong Y./Kim J. | Miyoshi K./Winter E. | 0:2 (2:6, 2:6) | details | 11.06.2024 | ||
| 1/16-finals | Kim J./Zhang T. | Razeghi A./Schoenhaus M. | 1:2 (4:6, 7:5, 2:10) | details | 04.06.2024 | ||