Stadium: Center Court Round: 25 Ground: Clay
| ITF M25 Qujing | 2019/07/14 02:30 | Fajing Sun v Yan Bai | 3-6,1-6 |
| ITF M25 Yinchuan | 2019/06/29 02:00 | Yan Bai v Fajing Sun | 6-4,7-5 |
| ITF M25 Wuhan | 2019/05/10 02:00 | Yan Bai v Fajing Sun | 7-6,6-1 |
| ITF Hong Kong F4 | 2017/12/19 03:35 | Fajing Sun v Yan Bai | 3-6,2-6 |
| ITF China F2 | 2015/04/09 02:00 | Fajing Sun v Yan Bai | 2-6,2-6 |
| Challenger Baotou | 2019/08/26 03:55 | Hanyi Liu v Fajing Sun | 4-6,1-6 |
| Challenger Cordenons | 2019/08/12 15:00 | Jeremy Jahn v Fajing Sun | 6-3,6-2 |
| ITF M25 Vogau | 2019/08/07 08:00 | Fajing Sun v Jaroslav Pospisil | 2-6,6-7 |
| ITF M25 Qujing | 2019/07/14 02:30 | Fajing Sun v Yan Bai | 3-6,1-6 |
| ITF M25 Qujing | 2019/07/13 02:30 | Tsung-Hua Yang v Fajing Sun | 6-7,6-7 |
| ITF M25 Qujing | 2019/07/12 02:00 | Fajing Sun v Jonathan Mridha | 7-6,6-1 |
| ITF M25 Qujing | 2019/07/11 03:25 | Fajing Sun v Kazuma Kawachi | 6-2,6-3 |
| ITF M25 Qujing | 2019/07/10 05:55 | Fajing Sun v Li-Wei Tan | 6-2,6-0 |
| Challenger Chengdu | 2019/08/03 05:20 | Yuichi Sugita v Yan Bai | 6-1,6-3 |
| Challenger Chengdu | 2019/08/02 07:55 | Yan Bai v Zhizhen Zhang | 2-6,7-6,6-4 |
| Challenger Chengdu | 2019/08/01 06:00 | Ze Zhang v Yan Bai | 6-7,7-6,3-6 |
| Challenger Chengdu | 2019/07/30 08:05 | Yusuke Takahashi v Yan Bai | 4-6,2-6 |
| ITF M25 Taipei | 2019/07/24 02:00 | Tsung-Hao Huang v Yan Bai | 3-6,2-6 |
| ITF M25 Taipei | 2019/07/21 02:00 | Yan Bai v Yu Hsiou Hsu | 6-4,6-4 |
| ITF M25 Taipei | 2019/07/20 02:00 | Yan Bai v Rio Noguchi | 6-3,6-4 |
| ITF M25 Taipei | 2019/07/19 02:00 | Yan Bai v Sora Fukuda | 6-1,6-2 |