Round: 62 Ground: Clay
| ITF Indonesia F5 | 2015/12/24 09:55 | Ivan Nedelko v Piotr Grynkowski | 6-4,6-3 |
| ITF Indonesia F5 | 2015/12/22 08:55 | Piotr Grynkowski v Harry Lim | 6-3,3-6,6-2 |
| ITF Indonesia F5 | 2015/12/21 10:45 | Piotr Grynkowski v Mert Naci Turker | 7-5,6-1 |
| ITF Czech Republic F7 Qual | 2015/11/23 09:00 | Filip Brtnicky v Piotr Grynkowski | 6-3,6-4 |
| ITF Norway F1 | 2015/10/20 08:00 | Scott Griekspoor v Piotr Grynkowski | 6-1,6-2 |
| ITF Norway F1 | 2015/10/18 08:00 | Piotr Grynkowski v Pedro Gabriel Rodrigues | 6-3,6-1 |
| 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 |