Stadium: Court 11 Round: 26 Ground: Hardcourt outdoor
| Challenger Gwangju | 2024/04/14 03:25 | Egor Gerasimov v Sanhui Shin | 6-3,6-0 |
| Challenger Busan | 2024/04/08 01:00 | Sanhui Shin v Altug Celikbilek | 4-6,2-6 |
| Challenger Busan | 2024/04/07 01:00 | Moez Echargui v Sanhui Shin | 6-7,5-7 |
| ITF M15 Kashiwa | 2024/04/04 02:50 | Sanhui Shin v Ray Ho | 2-6,6-3,4-6 |
| ITF M15 Kashiwa | 2024/04/03 00:55 | Sanhui Shin v Hayato Matsuoka | 2-6,6-3,6-4 |
| ITF M15 Tsukuba | 2024/03/29 06:15 | Ryotaro Matsumura v Sanhui Shin | 7-6,6-7,7-6 |
| ITF M15 Tsukuba | 2024/03/28 03:20 | Ryotaro Taguchi v Sanhui Shin | 6-4,2-6,3-6 |
| ITF M15 Tsukuba | 2024/03/27 03:35 | Kasidit Samrej v Sanhui Shin | 4-6,0-6 |
| ITF M15 Anseong | 2024/06/12 01:00 | Woodam Song v Junhyun Lee | 2-6,3-6 |
| ITF M15 Anseong | 2024/06/11 03:10 | Sungbeen Sim v Junhyun Lee | 4-6,4-6 |
| ITF M15 Anseong | 2024/06/10 03:30 | Hangyeom Kim v Junhyun Lee | 1-6,4-6 |
| ITF M15 Anseong | 2024/06/09 06:30 | Woohyuk Sim v Junhyun Lee | 3-6,3-6 |
| ITF M15 Daegu | 2024/06/04 02:25 | Ji Hoon Son v Junhyun Lee | 6-2,6-0 |
| ITF M15 Karuizawa | 2024/05/27 01:00 | Sam Ryan Ziegann v Junhyun Lee | 6-3,3-6,11-9 |
| ITF M25 Luan | 2024/05/12 02:00 | Seon Yong Han v Junhyun Lee | 6-3,6-1 |
| ITF M25 Luan | 2024/05/12 02:00 | Junhyun Lee v You Du | 6-3,4-6,10-6 |