Ground: Hardcourt outdoor
| ITF Japan F2 | 2015/03/20 03:00 | Niki, Takuto v Sasai, Masaki | 7-5,6-3 |
| ITF Japan F2 | 2015/03/17 03:00 | Niki, Takuto v Pancaldi, Luca | 7-6,6-4 |
| ITF Japan F1 | 2015/03/14 02:00 | Niki, Takuto v Ito, Yuichi | 7-6,6-3 |
| ITF Japan F1 | 2015/03/13 01:00 | Niki, Takuto v Chaplin, Jarryd | 7-6,6-3 |
| ITF Japan F1 | 2015/03/12 01:00 | Niki, Takuto v Sasai, Masaki | 6-2,6-1 |
| ITF Japan F1 | 2015/03/11 01:00 | Niki, Takuto v Shintaro Imai | 5-7,7-6,6-4 |
| Challenger Traralgon | 2014/10/28 23:00 | Luke Saville v Niki, Takuto | 6-1,6-3 |
| Challenger Traralgon | 2014/10/28 02:10 | Yang, Tsung-Hua v Niki, Takuto | 0-6,5-7 |
| ITF Japan F2 | 2015/03/20 01:30 | Duckhee Lee v Ehara, Hiroyasu | 1-6,6-4,3-6 |
| ITF Japan F2 | 2015/03/18 02:40 | Matsuzaki, Yutaro v Ehara, Hiroyasu | 4-6,6-4,3-6 |
| ITF Japan F2 | 2015/03/17 04:50 | Shohei Chikami v Ehara, Hiroyasu | 6-7,2-6 |
| ITF Japan F1 | 2015/03/11 03:05 | Pancaldi, Luca v Ehara, Hiroyasu | 7-5,7-6 |
| ITF Tunisia F5 | 2015/02/10 12:30 | Tabatruong, Maxime v Ehara, Hiroyasu | 6-3,6-4 |
| ITF Tunisia F5 | 2015/02/03 08:30 | Ehara, Hiroyasu v Granollers, Gerard | 6-7,5-7 |
| ITF Germany F4 | 2015/01/29 10:00 | Ehara, Hiroyasu v Henri Laaksonen | 7-6,1-6,2-6 |
| ITF Germany F4 | 2015/01/28 09:00 | Brinkmann, Nils v Ehara, Hiroyasu | 1-6,5-7 |