Round: 29 Ground: Hardcourt outdoor
| ITF Japan F1 | 2017/03/11 01:00 | Wishaya Trongcharoenchaikul v Yusuke Takahashi | 4-6,2-6 |
| ITF Japan F1 | 2017/03/10 01:00 | Yusuke Takahashi v Sho Katayama | 6-3,6-4 |
| ITF Japan F1 | 2017/03/09 01:00 | Yusuke Takahashi v Yuki Mochizuki | 4-6,6-4,6-1 |
| ITF Japan F1 | 2017/03/07 01:00 | Yusuke Takahashi v Shin Yoshida | 6-2,6-1 |
| Challenger Yokohama Qual | 2017/02/25 01:00 | Yusuke Takahashi v Shuichi Sekiguchi | 6-4,3-6,2-6 |
| Challenger Kyoto Qual | 2017/02/18 07:35 | Arata Onozawa v Yusuke Takahashi | 6-3,6-7,6-3 |
| ITF USA F6 | 2017/02/02 15:00 | Yusuke Takahashi v Naoki Nakagawa | 6-7,3-6 |
| ITF USA F6 | 2017/01/31 15:00 | Yusuke Takahashi v Diego Hidalgo | 4-6,6-0,7-5 |
| ITF Japan F1 | 2017/03/11 01:00 | Hiroyasu Ehara v Takuto Niki | 2-6,1-6 |
| ITF Japan F1 | 2017/03/10 01:00 | Kaito Itsusaki v Takuto Niki | 2-6,4-6 |
| ITF Japan F1 | 2017/03/09 01:00 | Gengo Kikuchi v Takuto Niki | 0-6,4-6 |
| ITF Japan F1 | 2017/03/08 02:30 | Shinta Fujii v Takuto Niki | 6-7,2-6 |
| Challenger Yokohama | 2017/03/01 01:00 | Andrew Whittington v Takuto Niki | 6-4,7-6 |
| Challenger Yokohama | 2017/02/28 02:20 | Takuto Niki v Masato Shiga | 6-1,6-1 |
| Challenger Yokohama Qual | 2017/02/27 01:00 | Alex Bolt v Takuto Niki | 2-6,4-6 |
| Challenger Yokohama Qual | 2017/02/26 03:20 | Hiroyasu Ehara v Takuto Niki | 7-6,1-6,3-6 |