| ITF Corea F2 | 2018/06/10 02:00 | Jae Hwan Kim v Seung-Hun Shin | 6-2,6-2 |
| ITF Corea F1 | 2018/06/07 01:00 | Jae Hwan Kim v Jeamoon Lee | 6-4,2-6,4-6 |
| ITF Corea F1 | 2018/06/06 02:50 | Young Seok Kim v Jae Hwan Kim | 4-6,4-6 |
| Challenger Busan - Qual. | 2018/05/12 01:00 | Jae Hwan Kim v Guillermo Olaso | 0-6,5-7 |
| Challenger Gimcheon - Qual. | 2018/05/05 02:50 | Jae Hwan Kim v Luke Saville | 2-6,7-6,2-6 |
| Challenger Seoul - Qual. | 2018/04/29 04:15 | Jae Hwan Kim v Jacob Grills | 6-4,2-6,4-6 |
| Challenger Seoul - Qual. | 2018/04/28 04:40 | Seung-Hun Shin v Jae Hwan Kim | 6-2,3-6,2-6 |
| ITF Thailandia F12 - Qual. | 2017/12/11 04:45 | Billy Harris v Jae Hwan Kim | 6-4,6-4 |
| ITF Corea F2 | 2018/06/10 02:00 | Sung Jun Park v Dylan Seong Kwan Kim | 7-6,6-1 |
| ITF Corea F2 | 2018/06/09 01:00 | Jung Hoon Kim v Sung Jun Park | 0-6,2-6 |
| ITF Corea F1 | 2018/06/04 03:55 | Sung Jun Park v Sang Yeop Kim | 3-6,3-6 |
| ITF Corea F1 | 2018/06/03 03:30 | Yu Hsiang Chiu v Sung Jun Park | 4-6,2-6 |
| ITF Corea F1 | 2018/06/02 02:00 | Sung Jun Park v Seoung Hun Lee | 6-1,6-1 |
| ITF Thailandia F12 - Qual. | 2017/12/11 04:15 | Sung Jun Park v Colin Sinclair | 3-6,4-6 |
| ITF Thailandia F12 - Qual. | 2017/12/10 03:00 | Jumpei Yamasaki v Sung Jun Park | 4-6,5-7 |
| ITF Thailandia F12 - Qual. | 2017/12/09 05:30 | Cheong Hwi Kim v Sung Jun Park | 1-6,1-6 |