Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/15 04:35 | Sanhui Shin v Geun Jun Kim | 6-0,6-4 |
| ITF M15 Yanagawa | 2024/10/29 00:30 | Geun Jun Kim v Yuto Oki | 1-6,6-3,8-10 |
| ITF M15 Yanagawa | 2024/10/28 01:30 | Geun Jun Kim v Natsuki Yamamoto | 7-5,6-2 |
| ITF M15 Tanagura | 2024/10/21 00:30 | Ren Nakamura v Geun Jun Kim | 2-6,2-6 |
| ITF M15 Tanagura | 2024/10/20 00:30 | Yuttana Charoenphon v Geun Jun Kim | 3-6,2-6 |
| ITF M25 Changwon | 2024/06/19 04:50 | Naoki Nakagawa v Geun Jun Kim | 6-2,6-4 |
| ITF M25 Changwon | 2024/06/18 01:00 | Geun Jun Kim v Venedikt Tsirikidze | 6-3,6-3 |
| ITF M25 Changwon | 2024/06/17 00:55 | Geun Jun Kim v Jeong Heon Lee | 6-3,6-3 |
| ITF M25 Changwon | 2024/06/16 01:00 | Geun Jun Kim v Jungmin Hwang | 6-3,6-2 |
| Challenger Nonthaburi | 2025/01/05 03:00 | Naoki Nakagawa v Sanhui Shin | 3-6,6-4,6-3 |
| Challenger Nonthaburi | 2024/12/29 06:40 | Kimmer Coppejans v Sanhui Shin | 6-4,6-4 |
| Challenger Seoul | 2024/10/29 05:05 | Dalibor Svrcina v Sanhui Shin | 6-3,6-0 |
| Challenger Taipei | 2024/10/22 04:45 | Coleman Wong v Sanhui Shin | 6-4,3-6,6-1 |
| Challenger Taipei | 2024/10/21 06:20 | Sanhui Shin v Rubin Statham | 6-4,3-6,6-1 |
| Challenger Taipei | 2024/10/20 09:05 | Sanhui Shin v Hong-Lin Fu | 6-2,6-2 |
| ITF M25 Takasaki | 2024/09/19 05:50 | Sanhui Shin v Adria Soriano Barrera | 4-6,1-6 |
| ITF M15 Singapore | 2024/09/14 03:00 | Sanhui Shin v Tomohiro Masabayashi | 4-6,5-7 |