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