| ITF Thailand F12 Qual | 2017/12/10 03:00 | Jumpei Yamasaki v Sung Jun Park | 4-6,5-7 |
| ITF Thailand F12 Qual | 2017/12/09 05:30 | Cheong Hwi Kim v Sung Jun Park | 1-6,1-6 |
| ITF Korea F5 | 2017/06/28 06:40 | Hong Chung v Sung Jun Park | 6-0,1-6,6-0 |
| ITF Korea F5 | 2017/06/27 01:30 | Ho-Min Kang v Sung Jun Park | 4-6,2-6 |
| ITF Korea F5 | 2017/06/26 03:30 | Byeonghun Kim v Sung Jun Park | 0-6,6-3,0-6 |
| ITF Korea F4 | 2017/06/20 02:20 | Jung-Woong Na v Sung Jun Park | 6-4,6-3 |
| ITF Korea F4 | 2017/06/19 01:00 | Sung Jun Park v Ho-Min Kang | 6-0,6-0 |
| ITF Korea F4 | 2017/06/18 02:00 | Woo Young Lee v Sung Jun Park | 1-6,2-6 |
| ITF Thailand F12 Qual | 2017/12/10 03:00 | Colin Sinclair v Min Hyeok Cho | 4-6,6-4,6-4 |
| ITF Thailand F12 Qual | 2017/12/09 05:30 | Colin Sinclair v Chattarin Wareesri | 6-0,6-0 |
| ITF Thailand F11 Qual | 2017/12/03 03:00 | Daniiar Duldaev v Colin Sinclair | 7-6,6-0 |
| ITF Thailand F11 Qual | 2017/12/02 05:00 | Colin Sinclair v Yuttana Charoenphon | 6-1,6-3 |
| ITF Thailand F10 | 2017/11/29 03:00 | Alexey Vatutin v Colin Sinclair | 4-6,6-2,6-1 |
| ITF Thailand F10 | 2017/11/28 06:20 | Colin Sinclair v Yan Sabanin | 3-6,7-5,6-3 |
| Challenger Hua Hin Qual | 2017/11/19 05:20 | Vasko Mladenov v Colin Sinclair | 6-3,7-6 |
| ITF Australia F7 Qual | 2017/10/07 02:30 | Colin Sinclair v Jesse Delaney | 6-3,6-7,4-6 |