Stadium: Center Court Round: 62 Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/11 05:35 | Seon Yong Han v Chan-Yeong Oh | 3-6,2-6 |
| ITF M25 Daegu | 2023/06/07 04:40 | Chan-Yeong Oh v Hong Chung | 2-6,4-6 |
| ITF M25 Daegu | 2023/06/05 01:00 | Issei Okamura v Chan-Yeong Oh | 1-6,6-4,7-10 |
| ITF M15 Daegu | 2022/08/29 00:30 | Sanhui Shin v Chan-Yeong Oh | 6-2,6-2 |
| ITF M15 Changwon | 2022/08/21 03:30 | Chan-Yeong Oh v Suk Hyun Choo | 6-2,3-6,7-10 |
| ITF M15 Changwon | 2019/10/14 01:30 | Chan-Yeong Oh v Young Seok Lee | 4-6,6-7 |
| ITF Korea F6 | 2018/08/30 04:50 | Chan-Yeong Oh v Yeongseok Jeong | 6-2,4-6,2-6 |
| ITF Korea F6 | 2018/08/29 04:30 | Chan-Yeong Oh v Hyung-Chan Lim | 6-2,6-2 |
| ITF M25 Changwon | 2023/06/11 06:45 | Victor Nasyrov v Chan Hee Han | 2-6,0-6 |
| ITF M15 Sharm El Sheikh | 2023/02/26 08:00 | Chan Hee Han v Roland Stuurman | 4-6,1-6 |
| Challenger Seoul | 2022/10/09 04:00 | Skander Mansouri v Chan Hee Han | 6-2,6-1 |