Round: 25 Ground: Hardcourt outdoor
| ITF Japan F2 | 2017/03/19 02:00 | Yusuke Takahashi v Max Purcell | 5-7,6-7 |
| ITF Japan F2 | 2017/03/18 06:35 | Zhe Li v Yusuke Takahashi | 5-7,0-6 |
| ITF Japan F2 | 2017/03/17 02:00 | Yusuke Takahashi v Ibuki Furuta | 6-3,6-2 |
| ITF Japan F2 | 2017/03/15 04:35 | Yusuke Takahashi v Renta Tokuda | 6-2,6-1 |
| ITF Japan F2 | 2017/03/14 04:20 | Yusuke Takahashi v Keisuke Watanuki | 6-2,6-2 |
| ITF Japan F1 | 2017/03/12 02:00 | Yusuke Takahashi v Takuto Niki | 7-5,6-3 |
| 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 F2 | 2017/03/15 03:55 | Gengo Kikuchi v Ibuki Furuta | 0-6,6-3,3-6 |
| ITF Japan F2 | 2017/03/14 06:05 | Gengo Kikuchi v Koichi Sano | 6-2,6-4 |
| ITF Japan F1 | 2017/03/09 01:00 | Gengo Kikuchi v Takuto Niki | 0-6,4-6 |
| ITF Japan F1 | 2017/03/07 02:40 | Jumpei Yamasaki v Gengo Kikuchi | 4-6,2-6 |
| Challenger Yokohama Qual | 2017/02/25 01:00 | Jimmy Wang v Gengo Kikuchi | 6-3,3-6,6-1 |
| Challenger Kyoto Qual | 2017/02/19 02:05 | Lloyd Harris v Gengo Kikuchi | 6-3,6-4 |
| Challenger Kyoto Qual | 2017/02/18 01:00 | Gengo Kikuchi v Tamaki Yamao | 7-6,6-4 |
| Others | 2016/11/13 06:00 | Kento Takeuchi v Gengo Kikuchi | 6-3,6-2 |