Stadium: Court 15 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Daegu | 2023/06/06 01:05 | Yeongseok Jeong v Yunseok Jang | 7-5,4-6,6-1 |
| Challenger Seoul | 2023/04/23 02:00 | Edan Leshem v Yunseok Jang | 6-3,6-2 |
| ITF M25 Jakarta | 2023/04/20 02:30 | Leo Borg v Yunseok Jang | 6-1,7-5 |
| ITF M25 Jakarta | 2023/04/19 02:30 | Yunseok Jang v Koki Matsuda | 7-5,6-2 |
| ITF M25 Jakarta | 2023/04/18 03:35 | Yunseok Jang v Thantub Suksumrarn | 6-1,1-6,10-6 |
| ITF M25 Jakarta | 2023/04/17 06:25 | Yunseok Jang v Ethan Cook | 6-4,6-0 |
| ITF M25 Jakarta | 2023/04/15 03:00 | Fitriadi M Rifqi v Yunseok Jang | 7-5,6-3 |
| ITF M25 Jakarta | 2023/04/14 02:30 | Yunseok Jang v Evgeny Donskoy | 7-6,4-6,7-6 |
| ITF M25 Daegu | 2023/06/11 02:00 | Uisung Park v Jeamoon Lee | 6-3,7-5 |
| ITF M25 Daegu | 2023/06/10 00:55 | Uisung Park v Takuya Kumasaka | 6-4,6-0 |
| ITF M25 Daegu | 2023/06/09 00:50 | Yunseong Chung v Uisung Park | 6-7,3-6 |
| ITF M25 Daegu | 2023/06/08 01:00 | Taisei Ichikawa v Uisung Park | 5-7,1-6 |
| ITF M25 Daegu | 2023/06/07 03:00 | Kenta Miyoshi v Uisung Park | 5-7,3-6 |
| Challenger Gwangju | 2023/05/02 02:50 | Uisung Park v Jordan Thompson | 1-6,7-6,0-6 |
| ITF M25 Sharm El Sheikh | 2022/11/09 09:30 | Kris Van Wyk v Uisung Park | 6-4,6-3 |
| ITF M25 Jakarta | 2022/11/04 03:00 | Uisung Park v Tsung-Hao Huang | 2-6,1-6 |