Ground: Hardcourt outdoor
| 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 - Qualifikation | 2015/04/19 02:00 | Ren Nakamura v Aoran Wang | 4-6,1-6 |
| ITF - Türkei F6 | 2015/02/07 09:00 | Ren Nakamura v David Novotny | 5-7,0-6 |
| ITF - Türkei F5 | 2015/02/04 09:55 | Nikola Milojevic v Ren Nakamura | 6-0,6-2 |
| ITF - Türkei F5 | 2015/02/02 08:00 | Ren Nakamura v Edoardo Lamberti | 6-3,1-6,6-3 |
| ITF - Türkei F5 | 2015/02/01 11:00 | Ren Nakamura v Georgiy Pochay | 6-2,5-7,6-1 |
| ITF - Kuwait F3 - Qualifikation | 2014/11/23 06:30 | Ren Nakamura v Luca Giacomelli | 4-6,1-6 |