Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| 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 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 M25 Pardubice | 2019/06/25 08:00 | Vladyslav Orlov v Ondrej Styler | 3-6,6-7 |
| ITF M25 Pardubice | 2019/06/24 08:00 | Vladyslav Orlov v Jiri Jenicek | 6-3,6-3 |
| ITF M15 Netanya | 2019/06/22 06:30 | Gilbert S K Junior v Vladyslav Orlov | 7-6,7-5 |
| ITF M15 Netanya | 2019/06/20 08:50 | Vladyslav Orlov v Ran Amar | 6-2,4-6,6-1 |
| ITF M15 Netanya | 2019/06/19 13:05 | Vladyslav Orlov v Horst Rieder | 6-2,6-4 |
| ITF M15 Plovdiv | 2019/06/07 07:30 | Dimitar Kuzmanov v Vladyslav Orlov | 7-5,2-6,6-3 |
| ITF M15 Plovdiv | 2019/06/06 07:00 | Dan Alexandru Tomescu v Vladyslav Orlov | 1-6,6-7 |
| ITF M15 Plovdiv | 2019/06/04 11:00 | Vladyslav Orlov v Nicolae Frunza | 7-6,6-3 |