| ITF Kazakhstan F3 Qual | 2018/04/08 11:45 | Jae-Min Seol v Matvey Minin | 1-6,2-6 |
| ITF Japan F3 | 2018/03/17 02:30 | Yuta Kawahashi v Jae-Min Seol | 6-2,6-3 |
| ITF Thailand F12 Qual | 2017/12/10 03:00 | Socrates Leon Tsoronis v Jae-Min Seol | 6-2,6-2 |
| ITF Thailand F11 Qual | 2017/12/02 03:00 | Phongsapak Kerdlaphee v Jae-Min Seol | 6-4,6-3 |
| ITF Thailand F8 Qual | 2017/10/07 03:00 | Yuanfeng Li v Jae-Min Seol | 6-2,6-1 |
| ITF Korea F5 | 2017/06/29 03:20 | Jae-Min Seol v Cheong-Eui Kim | 3-6,4-6 |
| ITF Korea F4 | 2017/06/23 02:00 | Jae-Min Seol v Min-Kyu Song | 6-3,6-7,4-6 |
| ITF Korea F4 | 2017/06/21 04:10 | Makoto Ochi v Jae-Min Seol | 3-6,6-2,4-6 |
| ITF Turkey F5 | 2018/02/04 07:30 | Ji Sung Nam v Ki Su Jung | 7-6,6-3 |
| ITF Turkey F3 | 2018/01/23 07:30 | Ki Su Jung v Jung-Woong Na | 1-6,2-6 |
| ITF Turkey F2 | 2018/01/16 07:30 | Ki Su Jung v Calin Manda | 7-6,3-6,6-7 |
| ITF Korea F5 | 2017/06/28 04:55 | Daniel Yoo v Ki Su Jung | 6-0,6-1 |
| ITF Korea F4 | 2017/06/20 02:30 | Ki Su Jung v Min-Kyu Song | 3-6,0-6 |
| ITF Korea F3 | 2017/06/13 04:40 | Jung-Woong Na v Ki Su Jung | 6-4,6-1 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Ki Su Jung v Ivan Kalinin | 6-7,2-6 |
| ITF Korea F1 Qual | 2017/05/27 01:00 | Jaeyoung Park v Ki Su Jung | 7-5,6-3 |