Round: 26 Ground: Hardcourt outdoor
| ITF Korea F1 Qual | 2014/04/29 00:30 | Cheong-Eui Kim v Dong-Hak Sin | 6-4,6-4 |
| 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 |
| Challenger Gimcheon | 2017/05/01 04:25 | Marco Chiudinelli v Cheong-Eui Kim | 3-6,6-2,6-3 |
| Challenger Taipei Qual | 2017/04/16 04:30 | Yu Hsiou Hsu v Cheong-Eui Kim | 6-4,6-1 |
| ITF Indonesia F2 | 2017/02/16 03:30 | Cheong-Eui Kim v Chan-Yeong Oh | 6-4,4-6,6-7 |
| ITF Indonesia F2 | 2017/02/14 03:00 | Cheong-Eui Kim v Petar Conkic | 3-6,6-3,6-1 |
| ITF Indonesia F1 | 2017/02/07 04:25 | Cheong-Eui Kim v Karunuday Singh | 2-6,6-7 |
| 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 F1 Qual | 2017/05/27 02:00 | Dong-Hak Sin v Hyeong Jin Cho | 6-3,6-4 |
| ITF Korea F8 | 2016/09/04 03:00 | Masaki Sasai v Dong-Hak Sin | 6-2,6-1 |
| ITF Korea F8 | 2016/09/03 01:00 | Jae-Won Choi v Dong-Hak Sin | 4-6,5-7 |
| ITF Korea F1 Qual | 2016/06/13 05:00 | Dong-Hak Sin v Jong-Min Choi | 3-6,3-6 |
| ITF Korea F1 Qual | 2016/06/12 03:00 | Dong-Hak Sin v Seong Woon Yu | 6-3,6-2 |