Stadium: Court 16 Round: 62
| Challenger - Gwangju | 2018/08/14 09:20 | Sin, Dong-Hak v Banes, Maverick | 2-6,1-6 |
| ITF Korea F2 | 2018/06/10 06:30 | Han, Jin Sung v Sin, Dong-Hak | 7-6,4-6,7-6 |
| ITF Korea F1 | 2018/06/07 01:00 | Kim, Cheong-Eui v Sin, Dong-Hak | 6-1,6-2 |
| ITF Korea F1 | 2018/06/05 03:50 | Sin, Dong-Hak v Moon, Ju-Hae | 6-1,6-4 |
| ITF Korea F1 | 2018/06/04 01:00 | Sin, Dong-Hak v Park, Jun Sang | 6-2,6-3 |
| ITF Korea F1 | 2018/06/03 02:00 | Sin, Dong-Hak v Jang, Woo Hyeok | 6-1,6-2 |
| Challenger - Gwangju | 2017/09/19 01:30 | Sin, Dong-Hak v Ebden, Matthew | 5-7,3-6 |
| ITF Korea F5 | 2017/06/28 01:00 | Hong, Seong Chan v Sin, Dong-Hak | 7-5,6-3 |
| ITF Korea F4 | 2018/08/13 03:00 | Kim, Sung Hun v Choi, Jae-Won | 4-6,6-7 |
| Korea F3, Singles Qualifying | 2018/06/16 03:30 | Kang, Ku Keon v Kim, Sung Hun | 6-4,7-5 |
| ITF Korea F2 | 2018/06/10 05:00 | Kim, Sung Hun v Ratsaratany, Loic | 4-6,6-4,3-6 |
| ITF Korea F2 | 2018/06/09 01:00 | Jang, Woo Hyeok v Kim, Sung Hun | 2-6,2-6 |
| ITF Korea F1 | 2018/06/02 01:00 | Han, Seong Jae v Kim, Sung Hun | 7-5,6-2 |
| Korea F3, Singles Qualifying | 2017/06/11 04:30 | Kim, Hyun-Joon v Kim, Sung Hun | 6-3,6-4 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Kim, Yu-Seob v Kim, Sung Hun | 6-1,6-4 |
| ITF Korea F1 Qual | 2017/05/28 01:00 | Shin, Geon Ju v Kim, Sung Hun | 6-2,6-2 |