Round: 54 Ground: Hardcourt outdoor
| ITF Poland F2 | 2016/05/29 09:00 | Piotr Grynkowski v Marek Gengel | 5-7,4-6 |
| ITF Czech Republic F3 Qual | 2016/05/23 10:20 | Piotr Grynkowski v Lukas Vejvara | 4-6,3-6 |
| ITF Czech Republic F3 Qual | 2016/05/22 09:30 | Piotr Grynkowski v Stepan Holis | 6-2,6-3 |
| ITF Turkey F19 Qual | 2016/05/09 08:00 | Piotr Grynkowski v Durukan Durmus | 6-7,6-0,6-7 |
| ITF Turkey F18 | 2016/05/05 08:00 | Dennis Novak v Piotr Grynkowski | 6-4,6-4 |
| ITF Turkey F18 | 2016/05/03 10:00 | Piotr Grynkowski v Muhammet Haylaz | 6-4,6-3 |
| ITF Turkey F18 | 2016/05/01 12:00 | Piotr Grynkowski v Fernando Yamacita | 6-4,3-6,6-3 |
| ITF Turkey F17 | 2016/04/27 09:20 | Piotr Grynkowski v Christopher Heyman | 3-6,1-6 |
| ITF Poland F3 Qual | 2016/06/04 08:00 | Karol Krawczynski v Artsiom Dabryian | 3-6,6-4,6-2 |
| ITF Poland F2 | 2016/05/30 12:35 | Karol Krawczynski v Adrian Andrzejczuk | 3-6,7-5,3-6 |
| ITF Czech Republic F3 Qual | 2016/05/23 08:30 | David Simunek v Karol Krawczynski | 6-4,6-3 |
| ITF Czech Republic F3 Qual | 2016/05/21 11:30 | Karol Krawczynski v Michael Avetisyan | 6-3,6-1 |
| ITF Poland F4 Qual | 2015/08/31 08:00 | Maciej Rajski v Karol Krawczynski | 6-2,6-2 |
| ITF Poland F4 Qual | 2015/08/30 07:30 | Karol Krawczynski v Max Steinberger | 7-5,6-1 |
| ITF Poland F3 Qual | 2015/08/23 08:00 | Karol Krawczynski v Oleg Prihodko | 4-6,6-7 |
| ITF Poland F2 | 2015/08/17 08:00 | Karol Krawczynski v Michal Dembek | 2-6,6-7 |