Ground: Hardcourt outdoor
| ITF USA F9 Qual | 2015/02/23 14:30 | Rafael Matos v Ryota Tanuma | 6-4,6-4 |
| ITF USA F9 Qual | 2015/02/21 15:00 | Moritz Dettinger v Ryota Tanuma | 0-6,4-6 |
| ITF USA F9 Qual | 2015/02/20 18:00 | Antoine Leduc v Ryota Tanuma | 2-6,7-6,1-6 |
| ITF USA F8 Qual | 2015/02/15 17:30 | Dominic Cotrone v Ryota Tanuma | 6-3,6-2 |
| ITF USA F7 | 2015/02/11 14:30 | Tommy Paul v Ryota Tanuma | 6-2,6-2 |
| ITF USA F7 Qual | 2015/02/09 15:30 | Weiqiang Zheng v Ryota Tanuma | 1-6,3-6 |
| ITF USA F7 Qual | 2015/02/08 15:30 | Christopher Morin Kougoucheff v Ryota Tanuma | 5-7,6-3,0-6 |
| ITF USA F6 | 2015/01/29 18:20 | Ryota Tanuma v Connor Smith | 4-6,6-2,1-6 |
| ITF Japan F6 Qual | 2014/06/09 03:00 | Shohei Chikami v Kazuki Nishiwaki | 6-0,6-3 |
| ITF Japan F5 | 2014/06/04 03:35 | Kazuki Nishiwaki v Jui-Chen Hung | 4-6,6-7 |
| ITF Japan F5 | 2014/06/03 01:00 | Shunrou Takeshima v Kazuki Nishiwaki | 6-3,5-7,3-6 |