Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Chengdu | 2019/07/29 10:45 | Issei Okamura v Yusuke Takahashi | 1-6,2-6 |
| ITF M25 Taipei | 2019/07/26 02:00 | Yusuke Takahashi v Renta Tokuda | 1-6,5-7 |
| ITF M25 Taipei | 2019/07/25 04:30 | Yusuke Takahashi v Jumpei Yamasaki | 6-2,6-2 |
| ITF M25 Taipei | 2019/07/24 02:00 | Yusuke Takahashi v Lucas Renard | 5-7,7-6,6-2 |
| ITF M25 Taipei | 2019/07/18 10:10 | Cheng-Yu Yu v Yusuke Takahashi | 7-5,6-2 |
| ITF M25 Taipei | 2019/07/16 06:25 | Chang-Lin Tsai v Yusuke Takahashi | 6-7,1-6 |
| ITF M25 Yinchuan | 2019/06/25 03:40 | Weiqiang Zheng v Yusuke Takahashi | 6-4,6-2 |
| ITF M25 Hong Kong | 2019/06/14 03:00 | Chun Hsin Tseng v Yusuke Takahashi | 4-6,7-5,6-1 |
| 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 |
| ITF M25 Taipei | 2019/07/18 10:15 | Yan Bai v Kousuke Ogura | 6-1,6-1 |
| ITF M25 Taipei | 2019/07/17 02:00 | Yan Bai v Seita Watanabe | 6-0,6-2 |
| 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 |