Stadion: Centre Court Round: 28
| ITF - Korea F4 | 2018/08/17 01:00 | Seong-Gook Oh v Mousheg Hovhannisyan | 4-6,6-4,6-2 |
| ITF - Korea F4 | 2018/08/16 01:00 | Seong-Gook Oh v Oh-Hee Kwon | 6-4,6-4 |
| ITF - Malaysia F2 | 2018/07/10 03:50 | Rhett Purcell v Seong-Gook Oh | 7-6,7-5 |
| ITF - Malaysia - F1 | 2018/07/04 03:30 | Soichiro Moritani v Seong-Gook Oh | 6-4,6-0 |
| ITF - Malaysia - F1 | 2018/07/03 10:05 | Seong-Gook Oh v Sang-Woo Noh | 7-6,6-2 |
| ITF - Korea F3 | 2018/06/18 03:30 | Seong-Gook Oh v Seong Chan Hong | 6-7,0-6 |
| ITF - Korea F2 | 2018/06/13 03:05 | Seong-Gook Oh v Chukang Wang | 6-1,5-7,7-5 |
| ITF - Korea F1 | 2018/06/05 01:00 | Seong-Gook Oh v Jae-Won Choi | 1-6,5-7 |
| ITF - Korea F4 | 2018/08/17 01:00 | Uisung Park v Tae-Woo Lee | 6-2,6-4 |
| ITF - Korea F4 | 2018/08/16 03:05 | Young Seok Lee v Uisung Park | 2-6,0-6 |
| ITF - Korea F4 | 2018/08/14 01:00 | Alexander Babanine v Uisung Park | 6-4,6-7,1-6 |
| ITF - Korea F4 | 2018/08/13 01:00 | Uisung Park v Daniel Yoo | 6-2,1-6,7-6 |
| Challenger - Gimcheon | 2018/05/07 08:15 | Uisung Park v Yusuke Takahashi | 5-7,2-6 |
| Challenger - Seoul | 2018/04/30 04:45 | Mackenzie McDonald v Uisung Park | 7-5,6-2 |
| ITF - USA F9 | 2018/04/03 14:00 | Uisung Park v Harry Bourchier | 5-7,1-6 |
| ITF Korea F8 | 2016/08/22 06:55 | Young Seok Kim v Uisung Park | 7-5,6-4 |