stadio: Court 10 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Daegu | 2019/06/05 04:50 | Seong-Gook Oh v Sung Jun Park | 6-4,6-7,7-5 |
| ITF M15 Gimcheon | 2019/06/12 03:20 | Seong-Gook Oh v Seita Watanabe | 6-7,6-2,6-3 |
| ITF M15 Daegu | 2019/06/08 04:30 | Seong-Gook Oh v Seong Chan Hong | 1-6,2-6 |
| ITF M15 Daegu | 2019/06/08 01:00 | Seong-Gook Oh v Young Seok Kim | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/06 03:40 | Seong-Gook Oh v Yeongseok Jeong | 6-1,6-2 |
| ITF M15 Daegu | 2019/06/05 04:50 | Seong-Gook Oh v Sung Jun Park | 6-4,6-7,7-5 |
| ITF Vietnam F5 | 2018/11/01 04:30 | Filip Bergevi v Seong-Gook Oh | 6-7,6-2,6-2 |
| ITF Vietnam F5 | 2018/10/31 03:00 | Seong-Gook Oh v Grigoriy Lomakin | 6-3,2-6,6-4 |
| ITF Vietnam F4 | 2018/10/23 03:40 | Rio Noguchi v Seong-Gook Oh | 6-3,6-2 |
| ITF M15 Gimcheon | 2019/06/11 01:00 | Chanchai Sookton-Eng v Sung Jun Park | 3-6,2-6 |
| ITF M15 Gimcheon | 2019/06/10 01:00 | Dong Ju Kim v Sung Jun Park | 3-6,4-6 |
| ITF M15 Daegu | 2019/06/05 04:50 | Seong-Gook Oh v Sung Jun Park | 6-4,6-7,7-5 |
| ITF M15 Daegu | 2019/06/04 02:55 | Hyung-Chan Lim v Sung Jun Park | 6-0,2-6,10-12 |
| ITF M15 Daegu | 2019/06/03 01:00 | Sung Jun Park v Seoung Hun Lee | 6-2,6-0 |
| ITF Corea F6 | 2018/08/26 03:00 | Sung Jun Park v Seungri Choi | 6-1,5-7,2-6 |
| ITF Corea F6 | 2018/08/25 04:30 | Gwang Hyeon Cho v Sung Jun Park | 7-6,4-6,2-6 |
| ITF Corea del Sud F5 | 2018/08/20 01:00 | Sung Jun Park v Ku Keon Kang | 3-6,1-6 |