| ITF Guam F1 | 2015/05/25 02:05 | Ken Onoda v Ryota Kishi | 2-6,6-2,7-5 |
| ITF Japan F2 | 2015/03/15 02:00 | Ryota Kishi v Kaito Uesugi | 1-6,6-4,2-6 |
| ITF Japan F1 | 2015/03/08 01:00 | Ryota Kishi v Yuki Matsuo | 3-6,2-6 |
| ITF Japan F1 | 2015/03/07 03:00 | Ryota Kishi v Haru Inoue | 7-5,6-3 |
| ITF Tunisia F5 | 2015/02/04 08:30 | Gianluca Mager v Ryota Kishi | 6-3,6-2 |
| ITF Tunisia F5 | 2015/01/28 12:25 | Ryota Kishi v Danilo Petrovic | 3-6,6-7 |
| ITF Tunisia F3 | 2015/01/24 08:30 | Ryota Kishi v David Micevski | 6-2,4-6,7-6 |
| ITF Tunisia F2 | 2015/01/21 11:50 | Ryota Kishi v Riccardo Sinicropi | 5-7,3-6 |
| ITF China F6 | 2015/05/26 06:55 | Ren Nakamura v Xin Gao | 1-6,1-6 |
| ITF China F6 Qual | 2015/05/25 02:00 | Ren Nakamura v Huixin Wang | 7-6,6-1 |
| ITF China F6 Qual | 2015/05/24 02:00 | Ren Nakamura v Weibowen Zou | 6-3,6-1 |
| ITF China F6 | 2015/05/19 02:00 | Chu-Huan Yi v Ren Nakamura | 7-5,7-6 |
| ITF Thailand F9 | 2015/05/05 03:00 | Kento Takeuchi v Ren Nakamura | 6-2,6-0 |
| ITF China F4 Qual | 2015/04/19 02:00 | Ren Nakamura v Aoran Wang | 4-6,1-6 |
| ITF Turkey F6 | 2015/02/07 09:00 | Ren Nakamura v David Novotny | 5-7,0-6 |
| ITF Turkey F5 | 2015/02/04 09:55 | Nikola Milojevic v Ren Nakamura | 6-0,6-2 |