| ITF Korea F2 | 2017/06/07 04:10 | Kim, Young Seok v Kim, Cheong-Eui | 1-6,6-7 |
| ITF China F2 | 2015/04/11 04:10 | Kim, Cheong-Eui v Kim, Young Seok | 6-7,6-7 |
| ITF Korea F4 | 2017/06/23 02:00 | Jeamoon Lee v Kim, Young Seok | 6-3,6-7,3-6 |
| ITF Korea F4 | 2017/06/21 02:00 | Kim, Woo-Ram v Kim, Young Seok | 3-6,3-6 |
| 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 Chung, Hong | 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 |
| ITF Korea F4 | 2017/06/23 03:30 | Yunseong Chung v Kim, Cheong-Eui | 5-7,6-7 |
| ITF Korea F4 | 2017/06/22 02:00 | Na, Jung-Woong v Kim, Cheong-Eui | 6-4,2-6,1-6 |
| ITF Korea F4 | 2017/06/20 04:30 | Kim, Sang Yeop v Kim, Cheong-Eui | 0-6,2-6 |
| ITF Korea F3 | 2017/06/18 03:25 | Kim, Cheong-Eui v Lee, Tae-Woo | 7-6,6-4 |
| ITF Korea F3 | 2017/06/17 02:00 | Kim, Cheong-Eui v Chung, Hong | 6-1,6-3 |
| ITF Korea F3 | 2017/06/16 02:00 | Kim, Cheong-Eui v Jeong, Young-Hoon | 6-3,6-0 |
| ITF Korea F3 | 2017/06/15 03:00 | Kim, Cheong-Eui v Ku Keon Kang | 6-3,6-1 |
| ITF Korea F3 | 2017/06/14 01:00 | Kim, Cheong-Eui v Lee, Dong-Kyu | 1-6,6-4,6-3 |