Round: 25 Ground: Hardcourt outdoor
| ITF Japan F8 | 2017/06/15 02:30 | Keisuke Watanuki v Hiroyasu Ehara | 1-6,3-6 |
| ITF Japan F8 | 2017/06/14 05:40 | Yuya Ito v Hiroyasu Ehara | 3-6,2-6 |
| ITF Japan F7 | 2017/06/05 04:10 | Hiroyasu Ehara v Shuichi Sekiguchi | 2-6,1-6 |
| ITF Singapore F2 | 2017/05/31 05:25 | Hiroyasu Ehara v Raymond Sarmiento | 2-6,3-6 |
| ITF Singapore F1 | 2017/05/28 05:00 | Dayne Kelly v Hiroyasu Ehara | 3-6,3-6 |
| ITF Singapore F1 | 2017/05/26 03:00 | Sho Katayama v Hiroyasu Ehara | 3-6,6-4,2-6 |
| ITF Singapore F1 | 2017/05/25 02:00 | Hiroyasu Ehara v Masato Shiga | 6-1,6-0 |
| ITF Singapore F1 | 2017/05/23 04:10 | Sem Verbeek v Hiroyasu Ehara | 6-7,1-6 |
| ITF Guam F1 | 2017/06/17 00:00 | Masayoshi Ono v Derek Okuhama | 6-0,6-1 |
| ITF Greece F5 | 2017/04/04 06:30 | Masayoshi Ono v Jonny O'Mara | 3-6,3-6 |
| ITF Greece F4 | 2017/03/26 10:00 | Benjamin Sigouin v Masayoshi Ono | 6-1,6-3 |
| ITF Greece F4 | 2017/03/25 07:00 | Masayoshi Ono v Denis Merkulov | 6-3,6-3 |
| ITF Greece F2 Qual | 2017/03/14 07:30 | Masayoshi Ono v Nicholas S. Hu | 6-7,3-6 |
| ITF Greece F2 Qual | 2017/03/11 07:00 | Vlad Cristian Niculae v Masayoshi Ono | 6-7,1-6 |
| ITF Greece F1 | 2017/03/04 10:00 | Anastasios Pavlis v Masayoshi Ono | 6-3,6-2 |
| Others | 2016/11/05 02:00 | Yuki Mochizuki v Masayoshi Ono | 2-6,6-3,6-4 |