Round: 25 Ground: Hardcourt outdoor
| ITF Japan F2 | 2017/03/13 01:00 | Takashi Yasugami v Naru Shirafuji | 7-6,6-4 |
| ITF Japan F2 | 2017/03/12 02:00 | Wei-De Lin v Takashi Yasugami | 7-5,5-7,4-6 |
| ITF Japan F1 | 2017/03/10 01:00 | Renta Tokuda v Wishaya Trongcharoenchaikul | 4-6,1-6 |
| ITF Japan F1 | 2017/03/09 01:00 | Zhe Li v Renta Tokuda | 6-7,6-4,2-6 |
| ITF Japan F1 | 2017/03/08 03:00 | Renta Tokuda v Sho Shimabukuro | 6-2,6-4 |
| Challenger Yokohama Qual | 2017/02/25 01:00 | Brydan Klein v Renta Tokuda | 2-6,7-5,6-1 |
| Challenger Kyoto Qual | 2017/02/18 01:00 | Yusuke Watanuki v Renta Tokuda | 6-4,4-6,6-1 |
| ITF USA F6 | 2017/02/05 15:00 | Tommy Paul v Renta Tokuda | 6-3,4-6,6-3 |
| ITF USA F6 | 2017/02/04 15:30 | Felix Auger Aliassime v Renta Tokuda | 4-6,6-7 |
| ITF USA F6 | 2017/02/03 15:00 | Naoki Nakagawa v Renta Tokuda | 1-6,2-6 |