| ITF Korea F1 Qual | 2017/05/28 03:30 | Sung Jun Park v Yu-Seob Kim | 6-0,6-1 |
| Challenger Seoul Qual | 2017/05/06 06:05 | Yu-Seob Kim v Shuichi Sekiguchi | 1-6,4-6 |
| ITF Korea F8 | 2016/09/04 04:30 | Yu-Seob Kim v Jeamoon Lee | 3-6,1-6 |
| ITF Korea F8 | 2016/08/28 02:00 | Yu-Seob Kim v Chan-Yeong Oh | 3-6,2-6 |
| ITF Korea F8 | 2016/08/21 04:30 | Oh-Hee Kwon v Yu-Seob Kim | 6-2,6-3 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | Jae-Won Choi v Yu-Seob Kim | 6-2,6-3 |
| ITF Korea F1 | 2015/05/16 01:00 | Yu-Seob Kim v Dong-Hak Sin | 3-6,3-6 |
| ITF Korea F1 Qual | 2017/05/28 01:00 | Geon Ju Shin v Sung Hun Kim | 6-2,6-2 |
| Challenger Gimcheon Qual | 2017/04/29 03:15 | Alexander Sarkissian v Sung Hun Kim | 6-1,6-2 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Dylan Seong Kwan Kim v Sung Hun Kim | 6-0,6-3 |
| ITF Korea F1 Qual | 2016/06/11 01:00 | In Kyo Jeong v Sung Hun Kim | 3-6,6-4,3-6 |