Round: 62 Ground: Hardcourt outdoor
| ITF Korea F2 | 2018/06/10 01:00 | Jaeheon Yoon v Sang Yeop Kim | 1-6,1-6 |
| ITF Korea F2 | 2018/06/09 01:00 | Jaeheon Yoon v Seungri Choi | 6-1,7-5 |
| ITF Korea F1 | 2018/06/03 02:00 | Byeonghun Kim v Jaeheon Yoon | 6-1,6-2 |
| ITF Korea F4 | 2017/06/17 04:00 | Jun Sang Park v Jaeheon Yoon | 6-0,6-2 |
| ITF Korea F3 Qual | 2017/06/11 03:00 | Jaeheon Yoon v Hyeong Jin Cho | 2-6,1-6 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Tae-Woo Lee v Jaeheon Yoon | 7-6,6-2 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Oh-Hee Kwon v Jaeheon Yoon | 6-1,6-0 |
| ITF Korea F1 | 2015/05/16 01:00 | Seon Yong Han v Jaeheon Yoon | 7-5,6-0 |
| ITF Korea F2 | 2018/06/10 02:00 | Sung Jun Park v Dylan Seong Kwan Kim | 7-6,6-1 |
| ITF Thailand F12 Qual | 2017/12/10 03:00 | Dylan Seong Kwan Kim v Yuanfeng Li | 1-6,3-6 |
| ITF Thailand F12 Qual | 2017/12/09 06:30 | Dylan Seong Kwan Kim v Vorachon Rakpuangchon | 7-5,6-1 |
| ITF Thailand F11 Qual | 2017/12/02 05:00 | Charles Roberts v Dylan Seong Kwan Kim | 6-2,7-6 |
| ITF Korea F4 | 2017/06/19 04:00 | Hong Chung v Dylan Seong Kwan Kim | 6-1,6-2 |
| ITF Korea F3 | 2017/06/13 02:50 | Dylan Seong Kwan Kim v Ju-Hae Moon | 1-6,1-6 |
| ITF Korea F2 | 2017/06/08 03:05 | Dylan Seong Kwan Kim v Dong-Hak Sin | 4-6,7-6,5-7 |
| ITF Korea F2 | 2017/06/07 03:25 | Sang-Woo Noh v Dylan Seong Kwan Kim | 7-6,2-6,6-7 |