Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Gimcheon | 2019/06/21 01:00 | Yeongseok Jeong v Sanhui Shin | 2-6,6-1,2-6 |
| ITF M15 Gimcheon | 2019/06/20 03:50 | Andrej Glvac v Yeongseok Jeong | 6-7,2-6 |
| ITF M15 Gimcheon | 2019/06/19 01:00 | Yeongseok Jeong v Shao-Fan Liu | 2-6,6-1,6-1 |
| ITF M15 Gimcheon | 2019/06/18 01:00 | Yeongseok Jeong v Jae-Won Choi | 6-4,4-6,10-4 |
| ITF M15 Gimcheon | 2019/06/17 02:10 | Yeongseok Jeong v Seong Jae Han | 6-1,6-3 |
| ITF M15 Gimcheon | 2019/06/12 05:40 | Dominik Palan v Yeongseok Jeong | 6-1,6-3 |
| ITF - M15 Daegu | 2019/06/06 03:40 | Seong-Gook Oh v Yeongseok Jeong | 6-1,6-2 |
| ITF - M15 Daegu | 2019/06/05 02:55 | Yeongseok Jeong v Dominik Palan | 2-6,6-3,6-0 |
| ITF - M15 Anseong | 2019/06/25 02:30 | Winter Meagher v Geun Jun Kim | 3-6,4-6 |
| ITF - M15 Anseong | 2019/06/24 03:00 | Sung Jun Park v Geun Jun Kim | 3-6,3-6 |
| ITF M15 Gimcheon | 2019/06/11 02:35 | Geun Jun Kim v Jeong Heon Lee | 6-2,1-6,4-10 |
| ITF M15 Gimcheon | 2019/06/10 04:25 | Geun Jun Kim v Chen Chang | 6-1,6-1 |
| ITF - M15 Daegu | 2019/06/05 04:35 | Geun Jun Kim v Taisei Ichikawa | 1-6,2-6 |
| ITF - M15 Daegu | 2019/06/04 02:55 | Geun Jun Kim v Woo Young Lee | 6-1,6-1 |
| ITF - M15 Daegu | 2019/06/03 05:50 | Geun Jun Kim v Chen Chang | 6-2,6-1 |
| ITF Korea F6 | 2018/08/28 05:00 | Geun Jun Kim v Dong-Hak Sin | 2-6,3-6 |