Estadio: Show court Round: 25 Ground: Hardcourt outdoor
| 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 | Jumpei Yamasaki v Yan Bai | 0-6,5-7 |
| ITF M25 Qujing | 2019/07/12 03:50 | Kento Takeuchi v Yan Bai | 1-6,1-6 |
| ITF M25 Qujing | 2019/07/11 02:00 | Rhett Purcell v Yan Bai | 1-6,2-6 |
| ITF M25 Qujing | 2019/07/09 04:40 | Weiqiang Zheng v Yan Bai | 0-6,3-6 |
| ITF M25 Yinchuan | 2019/06/29 07:35 | Yan Bai v Takuto Niki | 6-1,7-5 |
| ITF M25 Yinchuan | 2019/06/29 02:00 | Yan Bai v Fajing Sun | 6-4,7-5 |
| ITF M25 Yinchuan | 2019/06/28 05:30 | Yan Bai v Chukang Wang | 6-4,6-1 |
| ITF M25 Taipei | 2019/07/16 03:50 | Ren Nakamura v Seita Watanabe | 6-4,4-6,5-10 |
| ITF M25 Taipei | 2019/07/15 04:30 | Mu Fu Tsai v Seita Watanabe | 0-6,0-6 |
| ITF M15 Gimcheon | 2019/06/18 03:20 | Seita Watanabe v Seong Taek Im | 3-6,7-6,12-14 |
| ITF M15 Gimcheon | 2019/06/12 03:20 | Seong-Gook Oh v Seita Watanabe | 6-7,6-2,6-3 |
| ITF M15 Gimcheon | 2019/06/11 02:50 | Seita Watanabe v Hyung-Chan Lim | 6-4,6-0 |
| ITF M15 Gimcheon | 2019/06/10 02:00 | Seita Watanabe v Jin Sung Han | 6-1,6-2 |
| ITF M15 Daegu | 2019/06/06 02:00 | Jung-Woong Na v Seita Watanabe | 6-3,6-2 |
| ITF M15 Daegu | 2019/06/05 03:55 | Seita Watanabe v Issei Okamura | 6-4,7-6 |