Stadium: Court 3 Round: 166 Ground: Hardcourt outdoor
| Challenger Kyoto | 2018/02/20 01:30 | Yusuke Takahashi v Blake Ellis | 7-6,4-6,4-6 |
| 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 |
| ITF M15 Kashiwa | 2019/04/06 01:00 | Yuki Mochizuki v Yusuke Takahashi | 7-6,6-4 |
| ITF M25 Wuhan | 2019/05/09 02:00 | Shi Hong Zeng v Blake Ellis | 6-4,1-6,7-6 |
| ITF M25 Wuhan | 2019/05/08 04:00 | Haitong Xia v Blake Ellis | 0-6,1-6 |
| ITF M15 Tsukuba | 2019/03/26 03:20 | Shintaro Imai v Blake Ellis | 6-2,7-6 |
| ITF M15 Kofu | 2019/03/19 01:00 | Gengo Kikuchi v Blake Ellis | 7-5,6-1 |
| ITF M15 Nishi-Tokyo | 2019/03/15 03:15 | Seong Chan Hong v Blake Ellis | 3-6,7-5,6-3 |
| ITF M15 Nishi-Tokyo | 2019/03/14 01:00 | Ryota Tanuma v Blake Ellis | 1-6,2-6 |
| ITF M15 Nishi-Tokyo | 2019/03/12 02:40 | Taisei Ichikawa v Blake Ellis | 6-7,4-6 |
| ITF M15 Nishi-Tama | 2019/03/06 02:30 | Jumpei Yamasaki v Blake Ellis | 7-5,6-4 |