Stadium: Court 4 Round: 54 Ground: Clay
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/14 02:00 | Park, Sung Jun v Thomas Fancutt | 1-6,6-3,3-6 |
| 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 | 2019/06/11 01:00 | Sookton-Eng, Chanchai v Park, Sung Jun | 3-6,2-6 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/10 01:00 | Dong Ju Kim v Park, Sung Jun | 3-6,4-6 |
| ITF - M15 Daegu | 2019/06/05 04:50 | Oh, Seong-Gook v Park, Sung Jun | 6-4,6-7,7-5 |
| ITF - M15 Daegu | 2019/06/04 02:55 | Lim, Hyung-Chan v Park, Sung Jun | 6-0,2-6,10-12 |
| ITF - M15 Daegu | 2019/06/03 01:00 | Park, Sung Jun v Lee, Seounghun | 6-2,6-0 |
| ITF Korea F6 | 2018/08/26 03:00 | Park, Sung Jun v Choi, Seungri | 6-1,5-7,2-6 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/11 02:35 | Geun Jun Kim v Jeong Heon Lee | 6-2,1-6,4-10 |
| Gimcheon, Singles M-ITF-KOR-03A | 2019/06/10 04:25 | Geun Jun Kim v Chang, Chen | 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 Lee, Woo Young | 6-1,6-1 |
| ITF - M15 Daegu | 2019/06/03 05:50 | Geun Jun Kim v Chang, Chen | 6-2,6-1 |
| ITF Korea F6 | 2018/08/28 05:00 | Geun Jun Kim v Sin, Dong-Hak | 2-6,3-6 |
| ITF Korea F6 | 2018/08/26 02:00 | Tsai, Mu Fu v Geun Jun Kim | 0-6,1-6 |
| ITF Korea F5 | 2018/08/18 01:00 | Jung, Hyeon IL v Geun Jun Kim | 7-6,1-6,4-6 |