Round: 62 Ground: Clay
| ITF Poland F9 Qual | 2017/08/13 08:00 | Volodymyr Uzhylovskyi v Noe Sytkow | 6-0,6-0 |
| ITF Poland F3 Qual | 2017/06/24 08:00 | Noe Sytkow v Arnold Kokulewski | 1-6,2-6 |
| ITF Czech Republic F3 Qual | 2017/05/27 11:00 | James Markiewicz v Noe Sytkow | 6-2,6-1 |
| ITF Czech Republic F2 | 2017/05/20 08:00 | Noe Sytkow v Antonin Stepanek | 3-6,0-6 |
| ITF Czech Republic F11 Qual | 2017/11/19 09:00 | Grzegorz Panfil v Piotr Grynkowski | 7-6,6-3 |
| ITF Czech Republic F8 Qual | 2017/10/30 11:00 | Tadeas Paroulek v Piotr Grynkowski | 6-2,5-7,6-3 |
| ITF Czech Republic F7 Qual | 2017/10/24 08:00 | Lukas Vejvara v Piotr Grynkowski | 6-3,6-4 |
| ITF Czech Republic F7 Qual | 2017/10/23 08:00 | Pavel Motl v Piotr Grynkowski | 5-7,2-6 |
| Challenger Szczecin Qual | 2017/09/09 14:10 | Piotr Grynkowski v Guillermo Duran | 4-6,2-6 |
| ITF Poland F11 | 2017/08/28 09:00 | Piotr Grynkowski v Adam Chadaj | 4-6,1-6 |
| ITF Poland F9 | 2017/08/16 10:20 | Piotr Grynkowski v Boy Westerhof | 1-6,4-6 |
| ITF Poland F9 | 2017/08/15 10:30 | Piotr Grynkowski v Maciej Nowak | 5-7,6-1,6-3 |