Ground: Hardcourt outdoor
| ITF Japan F3 | 2015/03/23 01:00 | Ko Suzuki v Jeamoon Lee | 3-6,0-6 |
| ITF Japan F3 | 2015/03/22 01:00 | Osafune, Masaki v Jeamoon Lee | 4-6,3-6 |
| ITF Japan F2 | 2015/03/22 02:00 | Niki, Takuto v Shintaro Imai | 6-7,6-4,6-2 |
| ITF Japan F2 | 2015/03/21 03:20 | Niki, Takuto v Ehara, Hiroyasu | 6-3,6-7,6-2 |
| 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 |