Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF Korea F5 | 2018/08/24 01:15 | Chung, Hong v Oh, Chan-Yeong | 7-5,6-1 |
| ITF Korea F2 | 2018/06/13 06:45 | Chung, Hong v Oh, Chan-Yeong | 2-6,2-6 |
| ITF Korea F2 | 2017/06/08 02:40 | Oh, Chan-Yeong v Chung, Hong | 7-6,3-6,6-3 |
| ITF Korea F2 | 2017/06/08 02:30 | Oh, Chan-Yeong v Chung, Hong | 7-6,3-6,5-3 |
| ITF M25 Daegu | 2023/06/05 01:00 | Issei Okamura v Oh, Chan-Yeong | 1-6,6-4,7-10 |
| ITF M15 Daegu | 2022/08/29 00:30 | Sanhui Shin v Oh, Chan-Yeong | 6-2,6-2 |
| ITF M15 Changwon | 2022/08/21 03:30 | Oh, Chan-Yeong v Choo, Suk Hyun | 6-2,3-6,7-10 |
| ITF M15 Changwon | 2019/10/14 01:30 | Oh, Chan-Yeong v Lee, Young Seok | 4-6,6-7 |
| ITF Korea F6 | 2018/08/30 04:50 | Oh, Chan-Yeong v Yeongseok Jeong | 6-2,4-6,2-6 |
| ITF Korea F6 | 2018/08/29 04:30 | Oh, Chan-Yeong v Lim, Hyung-Chan | 6-2,6-2 |
| ITF Korea F5 | 2018/08/24 01:15 | Chung, Hong v Oh, Chan-Yeong | 7-5,6-1 |
| ITF Korea F5 | 2018/08/22 03:00 | Oh, Chan-Yeong v Lucas Catarina | 4-6,6-2,6-1 |
| ITF - M15 Sharm El Sheikh | 2022/11/27 08:00 | Chung, Hong v Maks Lukman | 6-7,6-7 |
| ITF - M15 Sharm El Sheikh | 2022/11/23 13:20 | Chung, Hong v Tomas Lanik | 4-6,2-6 |
| Challenger Seoul | 2022/10/13 03:35 | James Duckworth v Chung, Hong | 7-6,6-1 |
| ITF M15 Daegu | 2022/08/29 06:00 | Chung, Hong v Sanhui Shin | 5-7,3-6 |
| ITF M15 Anseong | 2022/08/17 04:30 | Sora Fukuda v Chung, Hong | 6-4,6-2 |
| ITF - M15 Sharm El Sheikh | 2022/03/21 07:30 | Chung, Hong v Lukas Pokorny | 3-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2022/03/20 13:00 | Francesco Ferrari v Chung, Hong | 1-6,2-6 |
| ITF - M15 Sharm El Sheikh | 2022/03/09 13:50 | Chung, Hong v Vilardo, Francesco | 6-2,3-6,2-6 |