| ITF Korea F1 | 2015/05/16 01:00 | Choi, Seungri v Kim, Ki Bum | 6-1,6-1 |
| Korea F3, Singles Qualifying | 2017/06/10 03:00 | Kim, Yu-Seob v Kim, Woo-Ram | 2-6,2-6 |
| ITF Korea F2 Qual | 2017/06/04 04:30 | Kim, Yu-Seob v Jeong, In Kyo | 3-6,5-7 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Kim, Yu-Seob v Kim, Sung Hun | 6-1,6-4 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Park, Sung Jun v Kim, Yu-Seob | 6-0,6-1 |
| Challenger Seoul Qual | 2017/05/06 06:05 | Kim, Yu-Seob v Sekiguchi, Shuichi | 1-6,4-6 |
| ITF Korea F8 | 2016/09/04 04:30 | Kim, Yu-Seob v Jeamoon Lee | 3-6,1-6 |
| ITF Korea F8 | 2016/08/28 02:00 | Kim, Yu-Seob v Chan-Yeong Oh | 3-6,2-6 |
| ITF Korea F8 | 2016/08/21 04:30 | Kwon, OH-Hee v Kim, Yu-Seob | 6-2,6-3 |