| ITF Georgia F2 | 2015/06/13 06:30 | Marek Rehacek v Marco Bortolotti | 2-6,1-6 |
| ITF Georgia F2 | 2015/06/12 07:00 | Marek Rehacek v Giorgi Javakhishvili | 6-3,4-6,6-3 |
| ITF Georgia F2 | 2015/06/10 08:00 | Kevin Kylar v Marek Rehacek | 3-6,2-6 |
| ITF Georgia F2 | 2015/06/08 07:00 | Marek Rehacek v Shota Meparidze | 6-3,6-2 |
| ITF Czech Republic F2 Qual | 2015/05/16 08:00 | Jiri Vachtl v Marek Rehacek | 6-2,6-1 |
| ITF Egypt F33 | 2015/03/23 09:25 | Vitaly Kozyukov v Marek Rehacek | 6-1,6-1 |
| ITF Egypt F33 | 2015/03/16 09:50 | Marek Rehacek v Anton Dubrov | 6-2,4-6,2-6 |
| ITF Poland F6 Qual | 2014/08/23 07:00 | Vladyslav Orlov v Marek Rehacek | 3-6,7-6,4-6 |
| ITF Czech Republic F6 Qual | 2015/07/04 07:00 | Martin Soukal v Piotr Grynkowski | 4-6,1-6 |
| ITF Turkey F21 | 2015/05/28 09:00 | Baptiste Crepatte v Piotr Grynkowski | 6-3,6-4 |
| ITF Turkey F21 | 2015/05/26 11:05 | Sasha Supruniuk v Piotr Grynkowski | 0-6,0-6 |
| ITF Turkey F21 Qual | 2015/05/23 07:00 | Stefan Frljanic v Piotr Grynkowski | 4-6,5-7 |
| ITF Turkey F36 | 2015/05/19 08:10 | Christopher Heyman v Piotr Grynkowski | 3-6,6-1,6-3 |
| ITF Turkey F18 | 2015/05/02 09:00 | Yvo Panak v Piotr Grynkowski | 7-5,6-2 |
| ITF Turkey F17 | 2015/04/28 09:15 | Piotr Grynkowski v Lucas Miedler | 3-6,0-6 |
| ITF Turkey F17 | 2015/04/27 08:00 | Piotr Grynkowski v Joel Vincent Link | 6-2,6-3 |