Stadium: Central Court Round: 1
| Polish National Tour | 2020/06/24 10:00 | Walkow S / Zuk K v Dembek M / Zielinski J | 6-2,7-5 |
| Polish National Tour | 2020/06/23 13:45 | Dembek M / Zielinski J v Mikula M / Wojcik Y | 6-4,6-3 |
| Challenger Poznan MD | 2018/06/08 14:55 | Kowalczyk M / Walkow S v Dembek M / Zielinski J | 7-6,6-3 |
| Challenger Poznan MD | 2018/06/07 15:20 | Dembek M / Zielinski J v Estrella Burgos V / Quiroz R | 6-4,6-3 |
| ITF Estonia F1 MD | 2016/07/28 22:00 | Polyakov V / Tyurnev E v Dembek M / Zielinski J | 5-7,5-7 |
| ITF Estonia F1 MD | 2016/07/27 22:00 | Dembek M / Zielinski J v Garcia-Roman M / Lombe H | 6-2,6-3 |
| ITF Lithuania F1 MD | 2016/07/22 13:55 | Grigelis L / Mugevicius L v Dembek M / Zielinski J | 7-5,6-4 |
| ITF Lithuania F1 MD | 2016/07/21 12:35 | Dembek M / Zielinski J v Babelis, Tadas / Zemaitelis, Kasparas | 6-7,6-3,10-8 |