Round: 25 Ground: Hardcourt outdoor
| 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 |
| ITF - Indonesien F3 | 2017/02/24 03:00 | Sho Katayama v Sho Shimabukuro | 6-7,1-6 |
| ITF - Indonesien F3 | 2017/02/23 03:00 | Sho Katayama v Chan-Yeong Oh | 7-6,7-6 |
| ITF - Indonesien F3 | 2017/02/22 05:40 | Sho Katayama v Robin Thour | 6-3,6-2 |
| ITF - Indonesien F2 | 2017/02/18 05:55 | Sho Katayama v Dayne Kelly | 4-6,6-7 |
| ITF - Indonesien F2 | 2017/02/17 05:45 | Sho Katayama v Masato Shiga | 6-4,7-6 |
| 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 - Qualifikation | 2017/02/26 03:20 | Hiroyasu Ehara v Takuto Niki | 7-6,1-6,3-6 |
| Challenger - Yokohama - Qualifikation | 2017/02/25 06:25 | Hiroyasu Ehara v Masamichi Imamura | 6-3,6-4 |
| ITF - Ägypten F4 | 2017/02/10 12:30 | Youssef Hossam v Hiroyasu Ehara | 6-4,6-2 |