Stadium: Court 10 Round: 62
| ITF Korea F5 | 2018/08/19 02:00 | Sung Jun Park v Cheong Hwi Kim | 6-0,6-2 |
| ITF Korea F5 | 2018/08/18 03:00 | Ang Ji v Sung Jun Park | 1-6,3-6 |
| Challenger Gwangju Qual | 2018/08/11 03:20 | Woo Hyeok Jang v Sung Jun Park | 6-4,6-3 |
| ITF Korea F3 Qual | 2018/06/16 02:00 | Young-Hoon Jeong v Sung Jun Park | 6-3,6-3 |
| ITF Korea F2 | 2018/06/11 03:30 | Jae Hwan Kim v Sung Jun Park | 6-1,6-2 |
| ITF Korea F2 | 2018/06/10 02:00 | Sung Jun Park v Dylan Seong Kwan Kim | 7-6,6-1 |
| ITF Korea F2 | 2018/06/09 01:00 | Jung Hoon Kim v Sung Jun Park | 0-6,2-6 |
| ITF Korea F1 | 2018/06/04 03:55 | Sung Jun Park v Sang Yeop Kim | 3-6,3-6 |
| ITF Korea F5 | 2018/08/19 02:00 | Sungbeen Sim v Ku Keon Kang | 1-6,0-6 |
| ITF Korea F4 | 2018/08/15 01:00 | Ryota Tanuma v Ku Keon Kang | 7-5,7-6 |
| ITF Korea F4 | 2018/08/14 01:00 | Ku Keon Kang v Jung Hoon Kim | 6-0,6-1 |
| ITF Korea F4 | 2018/08/13 01:00 | Ku Keon Kang v Seoung Hun Lee | 6-2,6-2 |
| ITF Korea F3 Qual | 2018/06/17 04:30 | Ku Keon Kang v Hyeong Don Kim | 4-6,6-1,4-6 |
| ITF Korea F3 Qual | 2018/06/16 03:30 | Ku Keon Kang v Sung Hun Kim | 6-4,7-5 |
| ITF Korea F2 | 2018/06/13 04:45 | Ji Hoon Son v Ku Keon Kang | 6-1,6-4 |
| ITF Korea F2 | 2018/06/11 03:30 | Ku Keon Kang v Alec Adamson | 7-5,2-6,7-5 |