Round: 1
| Polish National Tour | 2020/07/27 12:00 | Dembek M / Drzewiecki K v Kasnikowski M / Nazaruk D | 1-6,5-7 |
| Polish National Tour | 2020/07/27 11:55 | Mikula M / Wojcik Y v Majchrzak/Zielinski | 3-6,6-4,7-10 |
| Polish National Tour | 2020/07/26 14:55 | Galka J / Galus P v Majchrzak/Zielinski | 4-6,4-6 |
| Polish National Tour | 2020/07/19 18:30 | Majchrzak/Zielinski v Gajewski K / Nazaruk D | 6-3,6-4 |
| Polish National Tour | 2020/07/19 16:15 | Walkow S / Zuk K v Majchrzak/Zielinski | 6-7,7-6,8-10 |
| Polish National Tour | 2020/07/16 17:10 | Majchrzak/Zielinski v Hurkacz H / Terczynski M | 6-1,6-2 |
| Sopot, Pologne, Doubles | 2018/08/01 09:00 | Majchrzak/Zielinski v Kowalczyk M / Walkow S | 2-6,6-7 |
| ITF Poland F1 MD | 2017/06/15 13:30 | Majchrzak/Zielinski v Libietis M / Reese H | 3-6,6-4,5-10 |
| ITF Poland F1 MD | 2017/06/14 11:25 | Majchrzak/Zielinski v Gajewski K / Walkow S | 6-3,4-6,10-5 |