Stadium: Court B Round: 25 Ground: Hardcourt outdoor
| ITF M15 - Jakarta | 2019/08/15 02:30 | Seong-Gook Oh v Sho Shimabukuro | 6-4,2-6,4-6 |
| ITF M25 - Nonthaburi | 2019/07/30 05:20 | Shintaro Imai v Seong-Gook Oh | 6-2,6-2 |
| ITF M25 - Nonthaburi | 2019/07/23 05:25 | Seong-Gook Oh v Vladyslav Orlov | 6-7,3-6 |
| ITF M15 - Anseong | 2019/06/28 02:45 | Thomas Fancutt v Seong-Gook Oh | 7-6,7-6 |
| ITF M15 - Anseong | 2019/06/27 01:00 | Oh-Hee Kwon v Seong-Gook Oh | 2-6,2-6 |
| ITF M15 - Anseong | 2019/06/25 05:05 | Hyeon il Jung v Seong-Gook Oh | 1-6,0-6 |
| ITF M15 Gimcheon | 2019/06/18 05:45 | Sanhui Shin v Seong-Gook Oh | 6-1,6-4 |
| ITF M15 Gimcheon | 2019/06/13 01:30 | Seong-Gook Oh v Sung Jun Park | 6-1,5-7,4-6 |
| ITF M15 - Changwon | 2019/10/15 00:55 | Oh-Hee Kwon v Ju-Hae Moon | 6-3,3-6,6-10 |
| ITF M15 - Changwon | 2019/10/14 04:10 | Ju-Hae Moon v Hao Yuan Ng | 6-2,6-2 |
| ITF M15 Gimcheon | 2019/06/20 01:00 | Ju-Hae Moon v Taisei Ichikawa | 2-6,3-6 |
| ITF M15 Gimcheon | 2019/06/19 02:05 | Ju-Hae Moon v Chanchai Sookton-Eng | 7-6,6-1 |
| ITF M15 Gimcheon | 2019/06/18 01:00 | Ju-Hae Moon v Kittirat Kerdlaphee | 6-0,6-0 |
| ITF M15 Gimcheon | 2019/06/17 05:20 | Ju-Hae Moon v Ken Onishi | 2-6,6-3,10-6 |
| ITF M15 Gimcheon | 2019/06/11 04:00 | Yuta Shimizu v Ju-Hae Moon | 6-1,6-2 |
| ITF M15 - Daegu | 2019/06/04 04:45 | Seong Chan Hong v Ju-Hae Moon | 6-1,6-3 |