Round: 44 Ground: Clay
| 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 Turkey F17 | 2016/04/24 08:00 | Luke Stevenson v Piotr Grynkowski | 2-6,6-7 |
| ITF Czech Republic F2 | 2016/05/19 08:30 | Sumit Nagal v Marek Gengel | 7-6,4-6,6-4 |
| ITF Czech Republic F2 | 2016/05/17 08:00 | Marek Gengel v Szymon Walkow | 6-4,6-3 |
| ITF Czech Republic F2 Qual | 2016/05/16 11:15 | Marek Gengel v Lukas Vejvara | 6-3,6-2 |
| ITF Czech Republic F2 Qual | 2016/05/15 11:00 | Peter Goldsteiner v Marek Gengel | 5-7,3-6 |
| ITF Czech Republic F8 Qual | 2015/12/01 10:20 | Adam Majchrowicz v Marek Gengel | 5-7,6-0,7-6 |
| ITF Greece F11 | 2015/11/11 08:00 | Laurent Lokoli v Marek Gengel | 6-7,6-4,6-2 |
| ITF Greece F11 | 2015/11/09 09:50 | Marek Gengel v Tadas Tarasevicius | 7-6,6-1 |
| ITF Greece F11 | 2015/11/08 08:00 | Dmitry Resnyanskiy v Marek Gengel | 5-7,2-6 |