Stadium: Center Court Round: 62 Ground: Hardcourt outdoor
| ITF M25 Daegu | 2023/06/05 06:25 | Ku Keon Kang v Jinseok Yu | 6-1,4-6,10-7 |
| ITF M25 Daegu | 2023/06/07 01:00 | Ku Keon Kang v Jeamoon Lee | 4-6,7-5,4-6 |
| ITF M25 Daegu | 2023/06/05 06:25 | Ku Keon Kang v Jinseok Yu | 6-1,4-6,10-7 |
| ITF M25 Daegu | 2023/06/05 00:55 | Ku Keon Kang v Ki Bum Kim | 6-2,6-2 |
| ITF M15 Changwon | 2022/08/25 03:00 | Ku Keon Kang v Kazuki Nishiwaki | 3-6,1-6 |
| ITF M15 Changwon | 2022/08/24 07:50 | Moerani Bouzige v Ku Keon Kang | 3-6,3-6 |
| ITF M15 Changwon | 2022/08/22 07:00 | Ku Keon Kang v Seon Yong Han | 6-1,7-5 |
| ITF M15 Monastir | 2021/12/12 11:00 | Yamato Sueoka v Ku Keon Kang | 6-3,6-2 |
| ITF Thailand F5 | 2018/09/30 02:30 | Chanchai Sookton-Eng v Ku Keon Kang | 6-4,6-1 |
| ITF M25 Daegu | 2023/06/05 06:25 | Ku Keon Kang v Jinseok Yu | 6-1,4-6,10-7 |
| ITF M25 Daegu | 2023/06/04 01:00 | Jinseok Yu v Jiho Lee | 6-3,6-3 |
| Challenger Gimcheon Qual | 2018/05/06 05:50 | Jinseok Yu v Brydan Klein | 3-6,4-6 |
| Challenger Gimcheon Qual | 2018/05/05 06:25 | Jinseok Yu v Woobin Shin | 6-2,6-2 |
| ITF Korea F8 | 2016/09/05 01:30 | Sanhui Shin v Jinseok Yu | 7-5,6-3 |
| ITF Korea F8 | 2016/08/28 02:00 | Jinseok Yu v Ji-Ha Kim | 1-6,3-6 |