Round: 62 Ground: Hardcourt outdoor
| 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 F1 | 2017/03/09 03:30 | Hiroyasu Ehara v Yuta Shimizu | 7-6,6-4 |
| ITF Japan F1 | 2017/03/08 01:00 | Shoma Kato v Hiroyasu Ehara | 3-6,2-6 |
| ITF Japan F1 | 2017/03/04 01:00 | Hiroyasu Ehara v Kousuke Ogura | 6-2,6-2 |
| Challenger Yokohama Qual | 2017/02/26 03:20 | Hiroyasu Ehara v Takuto Niki | 7-6,1-6,3-6 |
| ITF Japan F2 | 2017/03/17 04:00 | Masaki Sasai v Max Purcell | 3-6,2-6 |
| ITF Japan F2 | 2017/03/16 02:00 | Shintaro Imai v Masaki Sasai | 6-7,3-6 |
| ITF Japan F2 | 2017/03/14 07:45 | Masaki Sasai v Wishaya Trongcharoenchaikul | 6-3,6-3 |
| ITF Japan F2 | 2017/03/12 01:00 | Yusei Fukuoka v Masaki Sasai | 1-6,1-6 |
| ITF Japan F1 | 2017/03/08 03:55 | Peter Kobelt v Masaki Sasai | 4-6,6-4,6-1 |
| ITF Japan F1 | 2017/03/06 01:00 | Zhaoyi Cao v Masaki Sasai | 0-6,1-6 |
| Others | 2016/11/12 00:30 | Masaki Sasai v Young Seok Kim | 1-6,5-7 |
| ITF Korea F8 | 2016/09/05 01:30 | Masaki Sasai v Jong-Min Choi | 2-6,6-2,1-6 |