Round: 25 Ground: Hardcourt outdoor
| 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 |
| 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 Indonesia F5 | 2015/12/20 07:30 | Razvan Bobleaga v Harry Lim | 7-5,4-6,4-6 |
| ITF Indonesia F5 | 2015/12/12 09:30 | Nicolae Frunza v Harry Lim | 7-6,6-1 |
| ITF Turkey F49 | 2015/12/05 07:00 | Melik Feler v Harry Lim | 1-6,6-3,6-2 |
| ITF Australia F10 | 2015/11/15 02:00 | Harry Lim v Patrick Rynsaardt | 6-4,6-7,4-6 |
| ITF Turkey F39 | 2014/12/07 08:00 | Maciej Rajski v Harry Lim | 6-4,6-2 |