| ITF Korea F2 | 2017/06/07 05:25 | Sincharoenwattana, Nutdanai v Kim, Sang Yeop | 3-6,3-6 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Kim, Sang Yeop v Jeong, In Kyo | 6-4,6-2 |
| ITF Korea F2 Qual | 2017/06/04 03:00 | Jae Hwan Kim v Kim, Sang Yeop | 5-7,2-6 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Kim, Sang Yeop v Kim, Dukyoung | 6-3,3-6,6-4 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Ku Keon Kang v Kim, Sang Yeop | 7-5,6-2 |
| ITF Korea F1 Qual | 2017/05/27 02:00 | Kim, Hyeong Don v Kim, Sang Yeop | 1-6,2-6 |
| ITF Korea F8 | 2016/08/27 02:00 | Sora Fukuda v Kim, Sang Yeop | 6-4,6-2 |
| ITF Korea F8 | 2016/08/20 02:00 | Kim, Sang Yeop v Kim, A-Ram | 6-3,6-7,4-6 |
| ITF Korea F2 | 2017/06/07 04:10 | Kim, Young Seok v Kim, Cheong-Eui | 1-6,6-7 |
| ITF Korea F1 | 2017/06/03 02:00 | Nguyen, Daniel v Kim, Cheong-Eui | 6-4,6-4 |
| ITF Korea F1 | 2017/06/02 01:00 | Kim, Cheong-Eui v Hong Chung | 6-3,6-7,6-2 |
| ITF Korea F1 | 2017/06/01 03:45 | Kim, Cheong-Eui v Sin, Dong-Hak | 6-3,7-5 |
| ITF Korea F1 | 2017/05/31 01:00 | Kim, Cheong-Eui v Jeamoon Lee | 6-1,6-4 |
| Challenger Busan Qual | 2017/05/14 02:00 | Kim, Cheong-Eui v Lucas Miedler | 3-6,4-6 |
| Challenger Seoul Qual | 2017/05/06 05:05 | Kim, Cheong-Eui v Makoto Ochi | 6-2,3-6,1-6 |
| Challenger Gimcheon | 2017/05/01 04:25 | Chiudinelli, Marco v Kim, Cheong-Eui | 3-6,6-2,6-3 |