Stadium: Center Court Round: 26 Ground: Hardcourt outdoor
| ITF M25 Daegu | 2023/06/07 03:55 | Yunseong Chung v Suk Hyun Choo | 6-3,6-1 |
| Challenger Busan | 2023/05/11 06:40 | Yunseong Chung v Gabriel Diallo | 6-7,6-7 |
| Challenger Busan | 2023/05/09 06:15 | Yunseong Chung v Tung-Lin Wu | 7-5,6-2 |
| Challenger Gwangju | 2023/05/05 04:45 | Yunseong Chung v Jason Jung | 6-3,3-6,4-6 |
| Challenger Gwangju | 2023/05/02 06:40 | Yunseong Chung v Kaichi Uchida | 7-6,6-3 |
| Challenger Seoul | 2023/04/29 06:00 | Yunseong Chung v Aleksandar Vukic | 6-7,1-6 |
| Challenger Seoul | 2023/04/28 04:00 | Rinky Hijikata v Yunseong Chung | 2-6,3-6 |
| Challenger Seoul | 2023/04/27 04:00 | Yunseong Chung v Jordan Thompson | 6-4,6-3 |
| ITF M15 Karuizawa | 2023/06/03 07:30 | Sanhui Shin v Yuta Kawahashi | 3-6,6-3,6-7 |
| ITF M15 Karuizawa | 2023/06/03 03:30 | Sanhui Shin v Jumpei Yamasaki | 6-3,7-6 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Keisuke Saitoh v Sanhui Shin | 4-6,1-6 |
| ITF M15 Karuizawa | 2023/05/30 03:30 | Issei Okamura v Sanhui Shin | 6-3,2-6,1-6 |
| Challenger Gwangju | 2023/05/02 04:25 | Bu Yunchaokete v Sanhui Shin | 6-4,6-1 |
| Challenger Seoul | 2023/04/23 03:40 | Sanhui Shin v Dayne Kelly | 2-6,2-6 |
| ITF M25 Jakarta | 2023/04/18 02:15 | Makoto Ochi v Sanhui Shin | 6-2,6-1 |
| ITF M25 Jakarta | 2023/04/17 03:35 | Raphael D P Paska v Sanhui Shin | 0-6,1-6 |