Round: 44 Ground: Hardcourt outdoor
| 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 |
| ITF Turkey F36 | 2015/09/07 13:30 | Alexander Babanine v Piotr Grynkowski | 6-3,6-3 |
| ITF Brazil F9 | 2015/11/17 21:15 | Ricardo Hocevar v Fernando Yamacita | 6-2,6-3 |
| ITF Brazil F7 | 2015/11/01 16:30 | Fernando Yamacita v Gustavo De O Cruz | 4-6,4-6 |
| ITF Brazil F6 | 2015/10/27 14:00 | Fernando Yamacita v Thales Turini | 6-4,3-6,0-6 |
| ITF Brazil F6 | 2015/10/26 12:00 | Fernando Yamacita v Victor Bertoldo | 6-0,6-2 |
| ITF Bolivia F2 Qual | 2015/09/13 15:00 | Eduardo Lacalle v Fernando Yamacita | 3-6,6-4,2-6 |
| ITF Bolivia F1 | 2015/09/06 14:00 | Fernando Yamacita v Santiago Villarruel | 3-6,1-6 |
| ITF Bolivia F1 | 2015/09/05 13:00 | Oscar Matias Leiva Biason v Fernando Yamacita | 2-6,0-6 |
| ITF Brazil F5 | 2015/08/23 13:00 | Santiago Maresca v Fernando Yamacita | 6-1,6-0 |