| ITF Korea F1 | 2017/06/01 03:45 | Cheong-Eui Kim v Dong-Hak Sin | 6-3,7-5 |
| ITF Korea F1 Qual | 2014/04/29 00:30 | Cheong-Eui Kim v Dong-Hak Sin | 6-4,6-4 |
| ITF Korea F2 | 2017/06/08 03:05 | Dylan Seong Kwan Kim v Dong-Hak Sin | 4-6,7-6,5-7 |
| ITF Korea F2 | 2017/06/07 04:50 | Jui-Chen Hung v Dong-Hak Sin | 6-2,4-6,5-7 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Jun Sang Park v Dong-Hak Sin | 5-7,6-2,0-6 |
| ITF Korea F2 Qual | 2017/06/04 03:00 | Dong-Hak Sin v Ivan Kalinin | 6-2,6-2 |
| ITF Korea F1 | 2017/06/01 03:45 | Cheong-Eui Kim v Dong-Hak Sin | 6-3,7-5 |
| ITF Korea F1 | 2017/05/31 04:50 | Dong-Hak Sin v Sung Jun Park | 4-6,6-2,6-3 |
| ITF Korea F1 Qual | 2017/05/29 02:55 | Sungbeen Sim v Dong-Hak Sin | 3-6,0-6 |
| ITF Korea F1 Qual | 2017/05/28 03:30 | Dong-Hak Sin v Dukyoung Kim | 3-6,6-3,6-1 |
| ITF Korea F2 | 2017/06/08 03:30 | Sang Yeop Kim v Cheong-Eui Kim | 2-6,1-6 |
| ITF Korea F2 | 2017/06/07 04:10 | Young Seok Kim v Cheong-Eui Kim | 1-6,6-7 |
| ITF Korea F1 | 2017/06/03 02:00 | Daniel Nguyen v Cheong-Eui Kim | 6-4,6-4 |
| ITF Korea F1 | 2017/06/02 01:00 | Cheong-Eui Kim v Hong Chung | 6-3,6-7,6-2 |
| ITF Korea F1 | 2017/06/01 03:45 | Cheong-Eui Kim v Dong-Hak Sin | 6-3,7-5 |
| ITF Korea F1 | 2017/05/31 01:00 | Cheong-Eui Kim v Jeamoon Lee | 6-1,6-4 |
| Challenger Busan Qual | 2017/05/14 02:00 | Cheong-Eui Kim v Lucas Miedler | 3-6,4-6 |
| Challenger Seoul Qual | 2017/05/06 05:05 | Cheong-Eui Kim v Makoto Ochi | 6-2,3-6,1-6 |