Stadium: Court 1 Round: 25 Ground: Clay
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/10 03:20 | Park, Jungwon v Jung, Hyeon IL | 7-6,6-3 |
| ITF M15 Daegu | 2019/06/03 07:00 | Im, Seong Taek v Jung, Hyeon IL | 6-2,6-1 |
| ITF Korea F6 | 2018/08/26 02:00 | Kim, Jung Hoon v Jung, Hyeon IL | 6-7,4-6 |
| ITF Korea F5 | 2018/08/18 01:00 | Jung, Hyeon IL v Kim, Geun Jun | 7-6,1-6,4-6 |
| ITF Korea F4 | 2018/08/11 01:00 | Jung, Ki-Su v Jung, Hyeon IL | 6-3,6-4 |
| Korea F3, Singles Qualifying | 2018/06/18 05:00 | Moon, Ju-Hae v Jung, Hyeon IL | 6-2,6-1 |
| Korea F3, Singles Qualifying | 2018/06/16 02:00 | Kim, Jun Su v Jung, Hyeon IL | 3-6,3-6 |
| ITF Korea F2 | 2018/06/11 09:35 | Noh, Sang-Woo v Jung, Hyeon IL | 6-4,6-3 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/18 05:45 | Sanhui Shin v Oh, Seong-Gook | 6-1,6-4 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/13 01:30 | Oh, Seong-Gook v Park, Sung Jun | 6-1,5-7,4-6 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/12 03:20 | Oh, Seong-Gook v Seita Watanabe | 6-7,6-2,6-3 |
| ITF M15 Daegu | 2019/06/08 04:30 | Oh, Seong-Gook v Hong, Seong Chan | 1-6,2-6 |
| ITF M15 Daegu | 2019/06/08 01:00 | Oh, Seong-Gook v Kim, Young Seok | 6-2,6-2 |
| ITF M15 Daegu | 2019/06/06 03:40 | Oh, Seong-Gook v Yeongseok Jeong | 6-1,6-2 |
| ITF M15 Daegu | 2019/06/05 04:50 | Oh, Seong-Gook v Park, Sung Jun | 6-4,6-7,7-5 |
| ITF Vietnam F5 | 2018/11/01 04:30 | Bergevi, Filip v Oh, Seong-Gook | 6-7,6-2,6-2 |