Stadium: Center Court Round: 44 Ground: Hardcourt outdoor
| ITF Vietnam F3 | 2018/05/14 04:35 | Seol, Jae-Min v Abhinav Sanjeev Shanmugam | 2-6,1-6 |
| ITF Vietnam F2 | 2018/05/05 07:00 | Skadarka, Stefan v Seol, Jae-Min | 6-4,6-1 |
| ITF Kazakhstan F4 Qual | 2018/04/16 03:30 | Seol, Jae-Min v Kutsenko, Vadim | 2-6,3-6 |
| ITF Kazakhstan F3 Qual | 2018/04/08 11:45 | Seol, Jae-Min v Minin, Matvey | 1-6,2-6 |
| ITF Japan F3 | 2018/03/17 02:30 | Kawahashi, Yuta v Seol, Jae-Min | 6-2,6-3 |
| ITF Thailand F12 Qual | 2017/12/10 03:00 | Tsoronis, Socrates Leon v Seol, Jae-Min | 6-2,6-2 |
| ITF Thailand F11 Qual | 2017/12/02 03:00 | Kerdlaphee, Phongsapak v Seol, Jae-Min | 6-4,6-3 |
| ITF Thailand F8 Qual | 2017/10/07 03:00 | Li, Yuanfeng v Seol, Jae-Min | 6-2,6-1 |
| ITF Korea F1 | 2018/06/02 01:00 | Cho, Hyeong Jin v Choi, Seungri | 6-2,6-4 |
| Korea F3, Singles Qualifying | 2017/06/12 03:00 | Jae Hwan Kim v Cho, Hyeong Jin | 6-1,6-0 |
| Korea F3, Singles Qualifying | 2017/06/11 03:00 | Yoon, Jaeheon v Cho, Hyeong Jin | 2-6,1-6 |
| Korea F3, Singles Qualifying | 2017/06/10 02:00 | Cho, Hyeong Jin v Lee, Min Hyun | 7-6,7-6 |
| ITF Korea F2 | 2017/06/07 05:55 | Ji Hoon Son v Cho, Hyeong Jin | 6-1,6-1 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Cho, Hyeong Jin v Kim, Byeonghun | 6-1,1-6,7-5 |
| ITF Korea F2 Qual | 2017/06/04 04:30 | Cho, Hyeong Jin v Joo, Y. | 3-6,6-4,7-5 |
| ITF Korea F1 Qual | 2017/05/27 02:00 | Sin, Dong-Hak v Cho, Hyeong Jin | 6-3,6-4 |