| 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 F2 | 2018/06/11 03:30 | Chan-Yeong Oh v Sang Yeop Kim | 6-3,6-3 |
| ITF Korea F1 | 2018/06/07 01:00 | Chan-Yeong Oh v Tae-Woo Lee | 4-6,2-6 |
| ITF Korea F1 | 2018/06/05 01:00 | Chan-Yeong Oh v Ku Keon Kang | 6-4,6-4 |
| Challenger Busan | 2018/05/14 06:20 | Kaichi Uchida v Chan-Yeong Oh | 6-1,6-4 |
| ITF Korea F3 Qual | 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 |
| ITF Korea F4 | 2017/06/19 01:00 | Hyung-Chan Lim v Seung-Hun Shin | 6-3,3-6,6-3 |
| ITF Korea F4 | 2017/06/18 02:00 | Hyung-Chan Lim v Hyeon il Jung | 7-5,7-6 |
| ITF Korea F2 Qual | 2017/06/04 04:30 | Seung-Hun Shin v Hyung-Chan Lim | 6-4,6-2 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Geun Jun Kim v Hyung-Chan Lim | 6-7,0-6 |