Round: 62 Ground: Hardcourt outdoor
| ITF Korea F2 | 2018/06/10 06:30 | Woo Young Lee v Yu Hsiang Chiu | 2-6,3-6 |
| ITF Korea F2 | 2018/06/09 03:00 | Woo Young Lee v Seong Jae Han | 3-6,6-1,7-6 |
| ITF Korea F4 | 2017/06/18 02:00 | Woo Young Lee v Sung Jun Park | 1-6,2-6 |
| ITF Korea F3 Qual | 2017/06/11 04:30 | Jun Sang Park v Woo Young Lee | 6-4,6-3 |
| ITF Korea F2 Qual | 2017/06/04 03:00 | Woo Young Lee v Woo Hyeok Jang | 3-6,2-6 |
| ITF Korea F2 Qual | 2017/06/03 02:00 | Woo Young Lee v Seong Jae Han | 6-4,6-2 |
| ITF Korea F2 | 2018/06/11 03:30 | Daniel Yoo v Yu-Seob Kim | 7-5,6-4 |
| ITF Korea F2 | 2018/06/09 02:00 | Byeonghun Kim v Yu-Seob Kim | 2-6,6-3,1-6 |
| ITF Korea F1 | 2018/06/03 02:00 | Jun Sang Park v Yu-Seob Kim | 5-7,6-3,6-2 |
| ITF Thailand F7 Qual | 2017/09/30 02:30 | Yu-Seob Kim v Suthinan Tanthaseraneewat | 2-6,2-6 |
| ITF Korea F3 Qual | 2017/06/10 03:00 | Yu-Seob Kim v Woo-Ram Kim | 2-6,2-6 |
| ITF Korea F2 Qual | 2017/06/04 04:30 | Yu-Seob Kim v In Kyo Jeong | 3-6,5-7 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Yu-Seob Kim v Sung Hun Kim | 6-1,6-4 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Sung Jun Park v Yu-Seob Kim | 6-0,6-1 |