Round: 29 Ground: Hardcourt outdoor
| ITF - Japão F2 | 2014/03/21 01:55 | Takao Suzuki v Hiroyasu Ehara | 5-7,3-6 |
| ITF - Guame F1 | 2017/06/24 02:15 | Hiroyasu Ehara v Jake Delaney | 6-0,6-3 |
| ITF - Guame F1 | 2017/06/23 03:15 | Hiroyasu Ehara v Ju-Hae Moon | 6-0,6-2 |
| ITF - Guame F1 | 2017/06/22 04:35 | Hiroyasu Ehara v Alex Hunt | 6-3,6-2 |
| ITF - Guame F1 | 2017/06/20 06:00 | Hiroyasu Ehara v Masayoshi Ono | 6-2,6-4 |
| ITF - Japão F8 | 2017/06/15 02:30 | Keisuke Watanuki v Hiroyasu Ehara | 1-6,3-6 |
| ITF - Japão F8 | 2017/06/14 05:40 | Yuya Ito v Hiroyasu Ehara | 3-6,2-6 |
| ITF - Japão F7 | 2017/06/05 04:10 | Hiroyasu Ehara v Shuichi Sekiguchi | 2-6,1-6 |
| ITF - Singapura F2 | 2017/05/31 05:25 | Hiroyasu Ehara v Raymond Sarmiento | 2-6,3-6 |
| ITF - Guame F1 | 2017/06/24 03:55 | Yuichi Ito v Takao Suzuki | 6-4,1-6,2-6 |
| ITF - Guame F1 | 2017/06/23 01:55 | Ken Onoda v Takao Suzuki | 3-6,3-6 |
| ITF - Guame F1 | 2017/06/22 05:05 | Luca Castelnuovo v Takao Suzuki | 3-6,2-6 |
| ITF - Guame F1 | 2017/06/21 02:30 | Takao Suzuki v Issei Okamura | 7-5,6-4 |
| ITF - Japão F5 | 2017/04/05 00:30 | Takao Suzuki v Yusuke Watanuki | 2-6,1-6 |
| ITF - Japão F5 | 2017/04/04 00:30 | Issei Okamura v Takao Suzuki | 6-7,3-6 |
| ITF - Japão F5 | 2017/04/02 01:00 | Rio Noguchi v Takao Suzuki | 6-7,7-6,4-6 |
| ITF - Japão F5 | 2017/04/01 02:00 | Yuga Tashiro v Takao Suzuki | 1-6,4-6 |