| ITF Korea F3 | 2017/06/15 01:00 | Lee, Tae-Woo v Kim, Young Seok | 6-3,6-4 |
| ITF Korea F3 | 2017/06/13 02:00 | Kim, Young Seok v Hong, Seong Chan | 6-2,6-4 |
| ITF Korea F2 | 2017/06/07 04:10 | Kim, Young Seok v Kim, Cheong-Eui | 1-6,6-7 |
| ITF Korea F1 | 2017/05/31 01:00 | Kim, Young Seok v Hong Chung | 1-6,4-6 |
| Challenger Busan Qual | 2017/05/13 02:00 | Kim, Young Seok v Jeamoon Lee | 3-6,3-6 |
| Challenger Seoul | 2017/05/11 03:30 | Soeda, Go v Kim, Young Seok | 6-2,6-4 |
| Challenger Seoul | 2017/05/09 05:50 | Ward, Alexander v Kim, Young Seok | 3-6,4-6 |
| Challenger Gimcheon Qual | 2017/04/29 04:10 | Kim, Young Seok v Hubert Hurkacz | 6-2,3-6,2-6 |
| ITF Korea F3 | 2017/06/16 02:00 | Song, Min-Kyu v Lim, Yong-Kyu | 6-4,6-2 |
| ITF Korea F3 | 2017/06/15 02:20 | Hung, Jui-Chen v Lim, Yong-Kyu | 2-6,0-6 |
| ITF Korea F3 | 2017/06/14 03:35 | Shin, Seung-Hun v Lim, Yong-Kyu | 3-6,4-6 |
| ITF Korea F2 | 2017/06/08 01:00 | Lim, Yong-Kyu v Song, Min-Kyu | 6-7,2-6 |
| ITF Korea F2 | 2017/06/07 02:35 | Lim, Yong-Kyu v Lee, Dong-Kyu | 7-6,6-3 |
| ITF Thailand F4 | 2016/12/16 06:30 | Doumbia, Sadio v Lim, Yong-Kyu | 5-7,7-5,6-2 |
| ITF Thailand F4 | 2016/12/15 03:30 | Lim, Yong-Kyu v Wishaya Trongcharoenchaikul | 2-6,6-3,6-4 |
| ITF Thailand F4 | 2016/12/14 03:00 | Lim, Yong-Kyu v Ryota Tanuma | 6-2,6-3 |