Home History
| ITF Korea F1 | 2017/06/02 01:00 | Sang-Woo Noh v Seong Chan Hong | 4-6,2-6 |
| ITF Korea F1 | 2017/06/01 03:05 | Jae-Won Choi v Seong Chan Hong | 3-6,2-6 |
| ITF Korea F1 | 2017/05/31 01:00 | Dong-Kyu Lee v Seong Chan Hong | 1-6,6-4,4-6 |
| Challenger Busan | 2017/05/16 03:25 | Seong Chan Hong v Go Soeda | 6-2,3-6,1-6 |
| Challenger Seoul | 2017/05/10 01:30 | Austin Krajicek v Seong Chan Hong | 7-6,6-3 |
| Challenger Gimcheon | 2017/05/02 03:25 | Seong Chan Hong v Yuki Bhambri | 3-6,6-3,4-6 |
| Davis Cup | 2017/04/09 01:35 | Michael Venus v Seong Chan Hong | 6-3,3-6,4-6,6-2,6-3 |
| ITF Japan F4 | 2017/04/01 01:00 | Seong Chan Hong v Yusuke Takahashi | 4-6,5-7 |
Away History
| 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 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 |