Stadium: Court 4 Round: 54 Ground: Clay
| ITF M15 Gimcheon | 2019/06/14 02:00 | Sung Jun Park v Thomas Fancutt | 1-6,6-3,3-6 |
| ITF M15 Gimcheon | 2019/06/13 01:30 | Seong-Gook Oh v Sung Jun Park | 6-1,5-7,4-6 |
| ITF M15 Gimcheon | 2019/06/11 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 Korea F6 | 2018/08/26 03:00 | Sung Jun Park v Seungri Choi | 6-1,5-7,2-6 |
| 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 |
| ITF Korea F6 | 2018/08/26 02:00 | Mu Fu Tsai v Geun Jun Kim | 0-6,1-6 |
| ITF Korea F5 | 2018/08/18 01:00 | Hyeon il Jung v Geun Jun Kim | 7-6,1-6,4-6 |