Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| Challenger Taipei | 2019/04/08 02:00 | N.Sriram Balaji v Chang-Lin Tsai | 6-3,6-4 |
| ITF Chinese Taipei F1 | 2018/07/17 03:55 | Chang-Lin Tsai v Tung-Lin Wu | 2-6,4-6 |
| Challenger Gwangju | 2019/05/14 06:05 | Yusuke Takahashi v Mukund Sasikumar | 1-6,4-6 |
| Challenger Puerto Vallarta | 2019/05/03 22:00 | John-Patrick Smith v Yusuke Takahashi | 6-3,6-4 |
| Challenger Puerto Vallarta | 2019/05/02 21:35 | Yusuke Takahashi v James Ward | 2-6,6-4,6-3 |
| Challenger Puerto Vallarta | 2019/05/01 18:35 | Alafia Ayeni v Yusuke Takahashi | 4-6,6-4,3-6 |
| Challenger Puerto Vallarta | 2019/04/29 19:45 | Roberto Ortega-Olmedo v Yusuke Takahashi | 5-7,1-6 |
| Challenger Leon | 2019/04/22 17:30 | Roberto Ortega-Olmedo v Yusuke Takahashi | 6-4,6-4 |
| Challenger San Luis Potosi | 2019/04/15 16:00 | Facundo Mena v Yusuke Takahashi | 4-6,6-3,6-0 |
| Challenger Taipei | 2019/04/08 04:00 | Renta Tokuda v Yusuke Takahashi | 6-2,6-1 |