Stadium: Wisla Jonidlo 1 Round: 62 Ground: Clay
| ITF Latvia F1 | 2017/07/30 09:00 | Denis Oreshin v Janis Podzus | 3-6,6-4,6-2 |
| ITF Germany F2 Qual | 2017/01/15 08:00 | Adriaan De Jager v Janis Podzus | 4-6,6-3,6-4 |
| ITF Germany F1 | 2017/01/12 14:35 | Janis Podzus v Isak Arvidsson | 1-6,2-6 |
| ITF Germany F1 | 2017/01/11 12:50 | Pascal Meis v Janis Podzus | 2-6,7-6,6-7 |
| ITF Germany F1 Qual | 2017/01/09 17:10 | Andrew Ruppli v Janis Podzus | 6-7,4-6 |
| ITF Germany F1 Qual | 2017/01/09 09:00 | Janis Podzus v Luca Keist | 6-1,6-2 |
| ITF France F20 | 2016/09/27 14:25 | Janis Podzus v Hugo Daubias | 6-4,6-7,3-6 |
| ITF France F19 Qual | 2016/09/19 08:00 | Sami Reinwein v Janis Podzus | 6-4,7-5 |
| 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 |