Round: 25 Ground: Hardcourt outdoor
| ITF Japan F2 | 2017/03/13 04:00 | Sho Katayama v Hiroyasu Ehara | 6-3,7-6 |
| ITF Japan F3 | 2017/03/22 05:30 | Nam Hoang Ly v Hiroyasu Ehara | 6-2,6-3 |
| ITF Japan F3 | 2017/03/22 00:30 | Hiroyasu Ehara v Max Purcell | 6-3,6-2 |
| ITF Japan F3 | 2017/03/19 01:00 | Hiroyasu Ehara v Shinta Fujii | 6-2,6-2 |
| ITF Japan F3 | 2017/03/18 06:00 | Hiroyasu Ehara v Masaki Sasai | 6-3,6-4 |
| ITF Japan F3 | 2017/03/18 03:00 | Hiroyasu Ehara v Kenta Kurita | 6-1,6-0 |
| ITF Japan F2 | 2017/03/13 04:00 | Sho Katayama v Hiroyasu Ehara | 6-3,7-6 |
| 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 | Sang-Woo Noh v Hiroyasu Ehara | 6-1,3-6,2-6 |
| ITF Japan F3 | 2017/03/22 00:30 | Nam Hoang Ly v Sho Katayama | 6-1,6-2 |
| ITF Japan F2 | 2017/03/18 04:10 | Sho Katayama v Max Purcell | 6-7,3-6 |
| ITF Japan F2 | 2017/03/17 02:00 | Nam Hoang Ly v Sho Katayama | 2-6,6-3,4-6 |
| ITF Japan F2 | 2017/03/16 04:05 | Sho Katayama v Takuto Niki | 3-6,7-6,6-4 |
| ITF Japan F2 | 2017/03/13 04:00 | Sho Katayama v Hiroyasu Ehara | 6-3,7-6 |
| ITF Japan F1 | 2017/03/10 01:00 | Yusuke Takahashi v Sho Katayama | 6-3,6-4 |
| ITF Japan F1 | 2017/03/09 02:25 | Yuichi Ito v Sho Katayama | 0-6,0-6 |
| ITF Japan F1 | 2017/03/07 01:00 | Sho Katayama v Xin Gao | 6-2,6-4 |