Round: 54 Ground: Synthetic outdoor
| ITF Japan F4 | 2017/03/25 03:00 | Tomohiro Masabayashi v Naru Shirafuji | 6-3,6-1 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Naru Shirafuji v Yuga Tashiro | 4-6,6-1,4-6 |
| ITF Japan F4 | 2017/03/25 03:00 | Tomohiro Masabayashi v Naru Shirafuji | 6-3,6-1 |
| ITF Japan F3 | 2017/03/18 00:30 | Naru Shirafuji v Yuto Sakai | 3-6,4-6 |
| 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 | Chih-Chun Tang v Naru Shirafuji | 5-7,7-6,0-6 |
| ITF Japan F1 | 2017/03/07 02:30 | Naru Shirafuji v Yuichi Ito | 2-6,6-2,3-6 |
| ITF Japan F1 | 2017/03/06 01:00 | Masaya Kobayashi v Naru Shirafuji | 7-5,6-2 |
| ITF Japan F1 | 2017/03/04 03:30 | Takuya Kumasaka v Naru Shirafuji | 2-6,2-6 |
| ITF Japan F7 | 2017/06/03 04:00 | Tomohiro Masabayashi v Hiromasa Oku | 6-2,7-5 |
| ITF Japan F6 | 2017/06/01 02:00 | Kento Takeuchi v Tomohiro Masabayashi | 6-4,6-0 |
| ITF Japan F6 | 2017/05/31 01:00 | Kento Takeuchi v Tomohiro Masabayashi | 6-4,6-0 |
| ITF Japan F6 | 2017/05/30 01:00 | Tomohiro Masabayashi v Shunrou Takeshima | 6-1,1-6,6-4 |
| ITF Japan F6 Qual | 2017/05/28 01:00 | Shinta Fujii v Tomohiro Masabayashi | 6-2,4-6,2-6 |
| ITF Japan F6 Qual | 2017/05/27 01:00 | Tomohiro Masabayashi v Taisei Miyamoto | 6-3,7-5 |
| ITF Japan F5 | 2017/04/02 01:00 | Tomohiro Masabayashi v Kazuki Nishiwaki | 1-6,6-7 |
| ITF Japan F5 | 2017/04/01 01:00 | Ken Onoda v Tomohiro Masabayashi | 3-6,6-7 |