Round: 25 Ground: Hardcourt outdoor
| ITF China F2 | 2015/04/09 02:00 | Fajing Sun v Yan Bai | 2-6,2-6 |
| ITF Thailand F12 | 2017/12/13 03:00 | Alexey Vatutin v Fajing Sun | 6-1,6-3 |
| ITF Thailand F11 | 2017/12/05 07:40 | Fajing Sun v Renta Tokuda | 3-6,3-6 |
| ITF Thailand F10 | 2017/11/29 04:30 | Fajing Sun v Miliaan Niesten | 1-6,4-6 |
| ITF Thailand F10 | 2017/11/28 04:55 | Fajing Sun v Abhinav Sanjeev Shanmugam | 6-1,6-4 |
| Challenger Ningbo | 2017/10/16 04:45 | Fajing Sun v Peter Polansky | 2-6,6-7 |
| ATP Shanghai Qual | 2017/10/07 07:15 | Nikoloz Basilashvili v Fajing Sun | 6-3,7-6 |
| ATP Beijing Qual | 2017/09/30 06:30 | Steve Darcis v Fajing Sun | 6-4,6-2 |
| ATP Chengdu Qual | 2017/09/23 07:40 | Stefanos Tsitsipas v Fajing Sun | 6-4,6-2 |
| ITF Thailand F12 | 2017/12/15 03:00 | Yan Bai v Renta Tokuda | 2-6,1-6 |
| ITF Thailand F12 | 2017/12/14 05:55 | Yan Bai v Ti Chen | 6-4,6-4 |
| ITF Thailand F12 | 2017/12/13 04:50 | Yan Bai v Yan Sabanin | 6-4,6-1 |
| ITF Thailand F11 | 2017/12/06 03:30 | Daniiar Duldaev v Yan Bai | 4-6,1-6 |
| ITF Thailand F11 | 2017/12/05 03:30 | Hong Chung v Yan Bai | 2-6,3-6 |
| ITF Thailand F10 | 2017/11/29 04:35 | Frederik Nielsen v Yan Bai | 7-6,6-3 |
| ITF Thailand F10 | 2017/11/28 04:30 | Young Seok Kim v Yan Bai | 3-6,7-6,3-6 |
| Challenger Hua Hin Qual | 2017/11/18 08:00 | Yan Bai v Vasko Mladenov | 2-6,6-4,3-6 |