| ITF China F2 | 2015/04/11 04:10 | Cheong-Eui Kim v Young Seok Kim | 6-7,6-7 |
| ITF Korea F1 | 2017/05/31 01:00 | Young Seok Kim v Hong Chung | 1-6,4-6 |
| Challenger Busan Qual | 2017/05/13 02:00 | Young Seok Kim v Jeamoon Lee | 3-6,3-6 |
| Challenger Seoul | 2017/05/11 03:30 | Go Soeda v Young Seok Kim | 6-2,6-4 |
| Challenger Seoul | 2017/05/09 05:50 | Alexander Ward v Young Seok Kim | 3-6,4-6 |
| Challenger Gimcheon Qual | 2017/04/29 04:10 | Young Seok Kim v Hubert Hurkacz | 6-2,3-6,2-6 |
| ITF Thailand F6 | 2016/12/27 03:00 | Congsup Congcar v Young Seok Kim | 6-2,6-3 |
| ITF Thailand F5 | 2016/12/21 04:20 | Min Hyeok Cho v Young Seok Kim | 6-2,6-2 |
| ITF Thailand F5 | 2016/12/19 03:00 | Young Seok Kim v Yunseong Chung | 3-6,6-4,7-6 |
| 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 |
| 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 |