Stadium: Court 6 Round: 25 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 | 2023/06/05 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 Thailand F5 | 2018/09/29 06:00 | Yani Kimon Doumanis v Ku Keon Kang | 6-3,1-6,5-7 |
| Challenger Busan | 2023/05/08 02:00 | Jeamoon Lee v Ajeet Rai | 4-6,1-6 |
| Challenger Seoul | 2023/04/26 03:40 | Marc Polmans v Jeamoon Lee | 6-3,6-2 |
| ITF M25 Jakarta | 2023/04/23 02:55 | Leo Borg v Jeamoon Lee | 6-4,6-4 |
| ITF M25 Jakarta | 2023/04/22 03:55 | Jeamoon Lee v Duckhee Lee | 6-2,6-2 |
| ITF M25 Jakarta | 2023/04/21 03:00 | Jeamoon Lee v Yuta Kawahashi | 6-4,7-5 |
| ITF M25 Jakarta | 2023/04/20 04:35 | Jeamoon Lee v David Agung Susanto | 7-6,6-7,6-2 |
| ITF M25 Jakarta | 2023/04/19 04:45 | Dayne Kelly v Jeamoon Lee | 4-6,3-6 |
| ITF M25 Kashiwa | 2023/04/09 02:00 | Yu Hsiou Hsu v Jeamoon Lee | 6-1,6-1 |