| ITF Japan F5 | 2017/04/09 03:30 | Tatsuma Ito v Yusuke Takahashi | 6-4,6-2 |
| ITF Japan F5 | 2017/04/07 06:10 | Tatsuma Ito v Tung-Lin Wu | 6-4,6-4 |
| ITF Japan F5 | 2017/04/06 03:10 | Tatsuma Ito v Ryota Tanuma | 6-2,6-4 |
| ITF Japan F5 | 2017/04/04 04:40 | Tatsuma Ito v Katsuki Nagao | 7-6,6-4 |
| Challenger Quanzhou | 2017/03/21 04:50 | Yuki Bhambri v Tatsuma Ito | 7-6,6-2 |
| Challenger Shenzhen | 2017/03/14 06:00 | Duckhee Lee v Tatsuma Ito | 6-1,5-7,6-4 |
| Challenger Yokohama | 2017/03/04 05:50 | Tatsuma Ito v Soonwoo Kwon | 4-6,4-6 |
| Challenger Yokohama | 2017/03/03 05:00 | Kaito Uesugi v Tatsuma Ito | 7-6,2-6,6-7 |
| ITF Japan F5 | 2017/04/09 03:30 | Yusuke Watanuki v Masato Shiga | 6-7,5-7 |
| ITF Japan F5 | 2017/04/09 03:00 | Yusuke Watanuki v Masato Shiga | 6-7,5-7 |
| ITF Japan F5 | 2017/04/07 04:31 | Masato Shiga v Takuto Niki | 6-2,0-6,6-4 |
| ITF Japan F5 | 2017/04/07 04:30 | Masato Shiga v Takuto Niki | 6-2,0-6,6-4 |
| ITF Japan F5 | 2017/04/05 02:00 | Masato Shiga v Sho Shimabukuro | 6-3,6-4 |
| ITF Japan F5 | 2017/04/03 05:00 | Masato Shiga v Yuki Mochizuki | 6-4,6-0 |
| ITF Japan F4 | 2017/03/29 05:20 | Masato Shiga v Ryota Tanuma | 4-6,1-6 |
| ITF Japan F3 | 2017/03/20 01:00 | Soichiro Moritani v Masato Shiga | 6-2,6-2 |