Stadion: Court 5 Round: 25
| ITF - Korea F5 | 2018/08/24 01:15 | Hong Chung v Chan-Yeong Oh | 7-5,6-1 |
| ITF - Korea F5 | 2018/08/22 03:00 | Chan-Yeong Oh v Lucas Catarina | 4-6,6-2,6-1 |
| ITF - Korea F5 | 2018/08/21 03:00 | Yuichi Ito v Chan-Yeong Oh | 7-6,6-7,3-6 |
| Challenger - Gwangju - Qualifikation | 2018/08/11 01:30 | Yecong He v Chan-Yeong Oh | 7-6,6-0 |
| ITF - Korea F3 | 2018/06/18 01:00 | Cheng-Yu Yu v Chan-Yeong Oh | 6-4,6-2 |
| ITF - Korea F2 | 2018/06/15 03:20 | Chan-Yeong Oh v Yunseong Chung | 6-7,6-3,4-6 |
| ITF - Korea F2 | 2018/06/14 01:00 | Chan-Yeong Oh v Mitchell Thomas McDaniels | 6-2,3-6,6-3 |
| ITF - Korea F2 | 2018/06/13 06:45 | Hong Chung v Chan-Yeong Oh | 2-6,2-6 |
| ITF - Korea F6 | 2018/08/27 03:00 | Hyung-Chan Lim v Uisung Park | 6-3,4-6,6-0 |
| ITF - Korea F6 | 2018/08/26 02:00 | Dae-Hee Lee v Hyung-Chan Lim | 3-6,2-6 |
| ITF - Korea F5 | 2018/08/18 02:00 | Dong Woon Kang v Hyung-Chan Lim | 6-4,6-4 |
| ITF - Korea F4 | 2018/08/12 02:00 | Hyung-Chan Lim v Seong Woon Yu | 4-6,4-6 |
| ITF - Korea F3 - Qualifikation | 2018/06/17 04:30 | Yu Hsiang Chiu v Hyung-Chan Lim | 4-6,4-6 |
| ITF - Korea F1 | 2018/06/02 01:00 | Hyung-Chan Lim v Donghwi Shin | 6-2,7-5 |
| ITF - Korea F5 | 2017/06/28 01:00 | Hyung-Chan Lim v Jung-Woong Na | 6-4,5-7,2-6 |
| ITF - Korea F4 | 2017/06/20 01:00 | Daniel Yoo v Hyung-Chan Lim | 6-2,6-2 |