Stadium: Court 16 Round: 25
| ITF Korea F4 | 2017/06/20 01:00 | Jae Hwan Kim v Park, Jun Sang | 6-4,6-0 |
| Korea F3, Singles Qualifying | 2018/06/16 02:00 | Park, Jun Sang v Kim, Jung Hoon | 6-2,6-1 |
| ITF Korea F2 | 2018/06/13 02:20 | Park, Jun Sang v Michael Zhu | 2-6,3-6 |
| ITF Korea F1 | 2018/06/04 01:00 | Sin, Dong-Hak v Park, Jun Sang | 6-2,6-3 |
| ITF Korea F1 | 2018/06/03 02:00 | Park, Jun Sang v Kim, Yu-Seob | 5-7,6-3,6-2 |
| ITF Korea F1 | 2018/06/02 02:00 | Park, Jun Sang v Jeong, In Kyo | 6-1,6-2 |
| Challenger - Gwangju | 2017/09/19 06:40 | Park, Jun Sang v Bega, Alessandro | 1-6,0-6 |
| ITF Korea F4 | 2017/06/20 01:00 | Jae Hwan Kim v Park, Jun Sang | 6-4,6-0 |
| ITF Korea F4 | 2017/06/19 01:00 | Park, Jun Sang v Cuc, Danut | 6-1,6-1 |
| ITF Korea F3 | 2018/06/22 08:10 | Niki, Takuto v Jae Hwan Kim | 6-3,6-4 |
| ITF Korea F3 | 2018/06/20 03:15 | Jae Hwan Kim v Shintaro Imai | 6-4,7-6 |
| ITF Korea F3 | 2018/06/19 02:35 | Noh, Sang-Woo v Jae Hwan Kim | 4-6,0-6 |
| ITF Korea F2 | 2018/06/16 02:40 | Jae Hwan Kim v Yunseong Chung | 4-6,7-5,2-6 |
| ITF Korea F2 | 2018/06/15 03:00 | Jae Hwan Kim v Moon, Ju-Hae | 6-4,6-1 |
| ITF Korea F2 | 2018/06/14 02:30 | Yu, Cheng-Yu v Jae Hwan Kim | 1-6,5-7 |
| ITF Korea F2 | 2018/06/13 03:30 | Jae Hwan Kim v Noh, Sang-Woo | 6-2,6-3 |
| ITF Korea F2 | 2018/06/11 03:30 | Jae Hwan Kim v Park, Sung Jun | 6-1,6-2 |