| ITF Singapore F1 | 2017/05/23 04:10 | Sem Verbeek v Hiroyasu Ehara | 6-7,1-6 |
| Challenger Gimcheon Qual | 2017/04/29 05:10 | Takuto Niki v Hiroyasu Ehara | 6-1,6-4 |
| ITF Japan F5 | 2017/04/03 03:20 | Sho Shimabukuro v Hiroyasu Ehara | 6-1,6-7,6-3 |
| ITF Japan F4 | 2017/03/29 03:40 | Hiroyasu Ehara v Sho Katayama | 2-6,4-6 |
| ITF Japan F3 | 2017/03/22 05:30 | Nam Hoang Ly v Hiroyasu Ehara | 6-2,6-3 |
| ITF Japan F3 | 2017/03/22 00:30 | Hiroyasu Ehara v Max Purcell | 6-3,6-2 |
| ITF Japan F3 | 2017/03/19 01:00 | Hiroyasu Ehara v Shinta Fujii | 6-2,6-2 |
| ITF Japan F3 | 2017/03/18 06:00 | Hiroyasu Ehara v Masaki Sasai | 6-3,6-4 |
| ITF Singapore F1 | 2017/05/23 02:00 | Roy Hobbs v Masato Shiga | 3-6,2-6 |
| ITF China F7 | 2017/05/15 06:20 | Masato Shiga v Marcos Giron | 1-6,4-6 |
| ITF China F6 | 2017/05/12 02:30 | Wishaya Trongcharoenchaikul v Masato Shiga | 6-4,7-6 |
| ITF China F6 | 2017/05/10 03:20 | Zhizhen Zhang v Masato Shiga | 7-6,1-6,4-6 |
| ITF China F6 | 2017/05/09 04:30 | Rhett Purcell v Masato Shiga | 4-6,6-3,0-6 |
| ITF Japan F5 | 2017/04/09 07:30 | Tatsuma Ito v Masato Shiga | 6-4,6-2 |
| 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 |