Round: 54 Ground: Hardcourt indoor
| ITF Turkey F37 | 2015/09/14 13:00 | Yasha Zemel v Piotr Grynkowski | 6-4,6-0 |
| ITF Turkey F37 | 2015/09/13 15:00 | Polat Gulcur v Piotr Grynkowski | 2-6,4-6 |
| ITF Turkey F36 | 2015/09/07 13:30 | Alexander Babanine v Piotr Grynkowski | 6-3,6-3 |
| ITF Turkey F35 | 2015/09/03 16:40 | Piotr Grynkowski v Matteo Berrettini | 2-6,2-6 |
| ITF Turkey F35 | 2015/09/01 14:35 | Scott Duncan v Piotr Grynkowski | 0-6,3-6 |
| ITF Turkey F35 | 2015/08/31 13:30 | Piotr Grynkowski v Atlymyrat Gurbanov | 6-2,6-0 |
| ITF Poland F2 | 2015/08/16 12:00 | Piotr Grynkowski v Bartosz Wojnar | 3-6,2-6 |
| ITF Poland F1 | 2015/08/09 08:00 | Maciej Nowak v Piotr Grynkowski | 6-4,7-6 |
| ITF Norway F1 | 2015/10/17 08:00 | Rana-Roop Singh Bhullar v Pedro Gabriel Rodrigues | 1-6,2-6 |
| ITF Portugal F13 | 2015/10/04 08:30 | Goncalo Falcao v Pedro Gabriel Rodrigues | 6-0,6-1 |
| ITF Portugal F13 | 2015/10/03 11:30 | Afonso Cortez v Pedro Gabriel Rodrigues | 1-6,6-4,3-6 |
| ITF Portugal F12 Qual | 2015/09/26 12:00 | Pedro Gabriel Rodrigues v Francisco Faria | 7-6,3-6,5-7 |
| ITF Brazil F4 | 2015/08/17 14:00 | Nicolas Santos v Pedro Gabriel Rodrigues | 6-2,6-1 |
| ITF USA F23 Qual | 2015/07/26 13:30 | Sameer Kumar v Pedro Gabriel Rodrigues | 6-1,6-0 |
| ITF USA F22 Qual | 2015/07/18 14:30 | Pedro Gabriel Rodrigues v Bradley Holt | 1-6,2-6 |
| ITF Brazil F3 | 2015/06/20 14:30 | Pedro Gabriel Rodrigues v Agustin Savarino | 3-6,0-6 |