Round: 25 Ground: Clay
| ITF Turkey F36 | 2015/05/19 08:10 | Christopher Heyman v Piotr Grynkowski | 3-6,6-1,6-3 |
| ITF Turkey F4 | 2016/01/24 08:00 | Joan Soler v Piotr Grynkowski | 6-2,6-2 |
| ITF Turkey F4 | 2016/01/23 09:30 | Changwei Peng v Piotr Grynkowski | 0-6,4-6 |
| ITF Turkey F3 | 2016/01/17 08:30 | Vincentiu A Niculescu v Piotr Grynkowski | 7-6,5-7,4-6 |
| ITF Turkey F2 | 2016/01/11 09:00 | Piotr Grynkowski v Yvo Panak | 5-7,6-2,4-6 |
| ITF Turkey F1 | 2016/01/06 08:15 | Piotr Grynkowski v Sora Fukuda | 1-6,6-2,1-6 |
| 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 Germany F2 | 2016/01/21 17:20 | Andreas Beck v Christopher Heyman | 6-3,6-4 |
| ITF Germany F2 | 2016/01/19 12:00 | Christopher Heyman v Marvin Greven | 6-2,6-2 |
| ITF Indonesia F5 | 2015/12/27 09:00 | Christopher Heyman v Adelchi Virgili | 6-4,6-4 |
| ITF Indonesia F5 | 2015/12/26 08:00 | Christopher Heyman v Geoffrey Blancaneaux | 6-4,7-6 |
| ITF Indonesia F5 | 2015/12/25 08:00 | Ivan Nedelko v Christopher Heyman | 4-6,2-6 |
| ITF Indonesia F5 | 2015/12/24 08:50 | Gleb Alekseenko v Christopher Heyman | 2-6,3-6 |
| ITF Indonesia F5 | 2015/12/20 11:30 | Francesco Vilardo v Christopher Heyman | 2-6,4-6 |
| ITF Indonesia F5 | 2015/12/20 08:00 | David Pichler v Christopher Heyman | 2-6,1-6 |