Round: 25 Ground: Clay
| ITF Japan F4 | 2017/03/29 01:00 | Masaya Kobayashi v Ken Onishi | 4-6,6-7 |
| ITF Japan F4 | 2017/03/28 01:00 | Masaya Kobayashi v Keisuke Watanuki | 6-3,6-2 |
| ITF Japan F4 | 2017/03/27 01:00 | Masaya Kobayashi v Aoran Wang | 7-6,7-6 |
| ITF Japan F3 | 2017/03/20 01:00 | Masaya Kobayashi v Chan-Yeong Oh | 4-6,2-6 |
| ITF Japan F3 | 2017/03/19 01:00 | Masaya Kobayashi v Yunosuke Tanaka | 5-7,6-2,6-1 |
| ITF Japan F3 | 2017/03/18 08:00 | Masaya Kobayashi v Yuta Kawahashi | 6-2,7-5 |
| ITF Japan F3 | 2017/03/18 03:00 | Masaya Kobayashi v Masaki Osafune | 7-6,6-7,6-4 |
| ITF Japan F2 | 2017/03/14 02:30 | Masaya Kobayashi v Xin Gao | 4-6,2-6 |
| ITF Japan F4 | 2017/03/30 01:00 | Renta Tokuda v Sho Katayama | 7-6,6-4 |
| ITF Japan F4 | 2017/03/29 03:40 | Hiroyasu Ehara v Sho Katayama | 2-6,4-6 |
| 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 |