Estadio: Court 2 Round: 26
| ITF Corea del Sur F6 | 2018/08/29 04:30 | Chan-Yeong Oh v Hyung-Chan Lim | 6-2,6-2 |
| ITF Corea del Sur F5 | 2018/08/24 01:15 | Hong Chung v Chan-Yeong Oh | 7-5,6-1 |
| ITF Corea del Sur F5 | 2018/08/22 03:00 | Chan-Yeong Oh v Lucas Catarina | 4-6,6-2,6-1 |
| ITF Corea del Sur F5 | 2018/08/21 03:00 | Yuichi Ito v Chan-Yeong Oh | 7-6,6-7,3-6 |
| Challenger Gwangju - Clasificación | 2018/08/11 01:30 | Yecong He v Chan-Yeong Oh | 7-6,6-0 |
| ITF Corea F3 | 2018/06/18 01:00 | Cheng-Yu Yu v Chan-Yeong Oh | 6-4,6-2 |
| ITF Corea F2 | 2018/06/15 03:20 | Chan-Yeong Oh v Yunseong Chung | 6-7,6-3,4-6 |
| ITF Corea F2 | 2018/06/14 01:00 | Chan-Yeong Oh v Mitchell Thomas McDaniels | 6-2,3-6,6-3 |
| ITF Corea del Sur F6 | 2018/08/28 02:00 | Yeongseok Jeong v Young-Hoon Jeong | 7-5,7-6 |
| ITF Corea del Sur F5 | 2018/08/21 03:00 | Hong Chung v Yeongseok Jeong | 6-1,7-6 |
| Challenger Gwangju | 2018/08/13 06:30 | Yeongseok Jeong v Rubin Statham | 4-6,0-6 |
| ITF Corea F3 | 2018/06/19 08:30 | Yeongseok Jeong v Sanhui Shin | 6-4,5-7,2-6 |
| Challenger de Gimcheon - Clasificación | 2018/05/05 04:40 | Yeongseok Jeong v Tung-Lin Wu | 1-6,2-6 |
| ITF Indonesia F8 - Clasificación | 2017/11/25 05:00 | Ken Onoda v Yeongseok Jeong | 2-6,6-1,6-2 |
| ITF Corea F2 - Clasificación | 2017/06/04 04:30 | Dong-Kyu Lee v Yeongseok Jeong | 6-4,6-1 |
| ITF Corea F2 - Clasificación | 2017/06/03 02:00 | Yeongseok Jeong v Suk-Young Jeong | 6-2,6-1 |