Stadium: Court 2 Round: 25 Ground: Clay
| ITF Poland F6 Qual | 2018/08/06 09:25 | Kyrychenko, Oleksander v Galus, Piotr | 4-6,4-6 |
| ITF Poland F6 Qual | 2018/08/04 11:00 | Galus, Piotr v Boerma, Pelle | 7-6,6-1 |
| Challenger Szczecin Qual | 2016/09/10 09:00 | Ask, Fredrik v Galus, Piotr | 6-0,6-1 |
| ITF Poland F6 Qual | 2018/08/06 08:00 | Steinberger, Max v Zielinski, Jan | 4-6,0-6 |
| ITF Poland F6 Qual | 2018/08/05 12:30 | Zielinski, Jan v Tadyszak, Norbert | 6-0,6-0 |
| ITF Poland F6 Qual | 2018/08/04 08:00 | Juliusz Bienkiewicz v Zielinski, Jan | 3-6,3-6 |
| Challenger Sopot Qual | 2018/07/30 15:15 | Dimitar Kuzmanov v Zielinski, Jan | 6-0,6-1 |
| Challenger Sopot Qual | 2018/07/30 09:00 | Zielinski, Jan v Rodriguez, Cristian | 7-5,6-3 |
| Challenger Sopot Qual | 2018/07/28 12:05 | Wojcik, Yann v Zielinski, Jan | 2-6,6-2,3-6 |
| ITF Poland F3 Qual | 2017/06/25 08:00 | Gennaro, Dante v Zielinski, Jan | 6-3,6-1 |
| ITF Poland F2 | 2017/06/17 08:00 | Bergevi, Filip v Zielinski, Jan | 4-6,7-6,6-3 |