Stadium: Court 14 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/11 07:30 | Ku Keon Kang v Jinseok Yu | 7-6,6-1 |
| 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 M25 Changwon | 2023/06/11 08:00 | Young Seok Lee v Junsu Kang | 2-6,6-1,10-5 |
| ITF M25 Daegu | 2023/06/04 01:00 | Dong Ju Kim v Young Seok Lee | 6-2,3-6,10-7 |
| ITF M15 Daegu | 2022/08/29 00:30 | Tae-Woo Lee v Young Seok Lee | 1-6,7-6,10-6 |
| ITF M15 Daegu | 2022/08/28 01:00 | Young Seok Lee v TaeWoo Koo | 6-2,6-3 |
| ITF M15 Monastir | 2021/12/13 09:00 | Charlelie Cosnet v Young Seok Lee | 6-4,6-3 |
| ITF M15 Monastir | 2021/12/12 12:00 | Thomas George Brun v Young Seok Lee | 3-6,2-6 |
| ITF M15 Changwon | 2019/10/16 00:55 | Young Seok Lee v Jung-Woong Na | 2-6,1-6 |
| ITF M15 Changwon | 2019/10/15 00:50 | Geun Wook Lee v Young Seok Lee | 1-6,1-6 |