Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/15 04:35 | Sanhui Shin v Geun Jun Kim | 6-0,6-4 |
| ITF M25 Ahmedabad | 2025/03/23 04:30 | Geun Jun Kim v Dmitrii Baskov | 6-4,3-6,1-0 |
| 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 M15 Nishi-Tokyo | 2025/03/20 02:30 | Ryo Tabata v Sanhui Shin | 0-6,6-3,6-0 |
| ITF M15 Nishi-Tokyo | 2025/03/19 07:00 | Yuta Kawahashi v Sanhui Shin | 4-6,4-6 |
| ITF M15 Hinode | 2025/03/11 02:30 | Sanhui Shin v Tai Leonard Sach | 2-6,4-6 |
| ITF M25 Launceston | 2025/03/01 02:00 | Sanhui Shin v Cruz Hewitt | 6-7,6-1,3-6 |
| ITF M25 Launceston | 2025/02/28 01:30 | Ajeet Rai v Sanhui Shin | 2-6,2-5 |
| ITF M25 Launceston | 2025/02/26 23:00 | Sanhui Shin v Moerani Bouzige | 6-3,6-3 |
| ITF M25 Launceston | 2025/02/25 23:00 | Alexander Klintcharov v Sanhui Shin | 4-6,6-3,4-6 |
| ITF M25 Burnie | 2025/02/20 03:00 | Sanhui Shin v Ajeet Rai | 6-3,3-6,4-6 |