Ground: Hardcourt outdoor
| ITF Japan F2 | 2015/03/14 02:30 | Jarryd Chaplin v Makoto Ochi | 6-2,4-6,2-6 |
| ITF USA F9 Qual | 2015/02/22 16:00 | Alfredo Perez v Naoki Nakagawa | 6-3,6-1 |
| ITF USA F9 Qual | 2015/02/21 18:00 | McClain Kessler v Naoki Nakagawa | 3-6,4-6 |
| ITF USA F9 Qual | 2015/02/20 22:30 | Alonso A Delgado v Naoki Nakagawa | 2-6,0-6 |
| ITF USA F8 | 2015/02/20 17:00 | Joao Menezes v Naoki Nakagawa | 2-6,6-4,6-2 |
| ITF USA F8 Qual | 2015/02/16 16:30 | Naoki Nakagawa v Jacob Kahoun | 6-2,6-2 |
| ITF USA F8 Qual | 2015/02/15 16:30 | Naoki Nakagawa v Emil Reinberg | 7-5,6-4 |
| ITF USA F8 Qual | 2015/02/14 17:30 | Naoki Nakagawa v Alexander Weis | 6-4,6-2 |
| ITF USA F3 Qual | 2015/01/11 17:00 | Naoki Nakagawa v Aron Hiltzik | 3-6,1-6 |