Stadium: Court 4 Round: 25 Ground: Clay
| Vogau, Singles Qualifying M-ITF-AUT-04A | 2020/08/16 08:00 | Gonzalo Lama v Marek, Wojciech | 6-3,6-3 |
| Polish National Tour | 2020/07/17 14:55 | Marek, Wojciech v Kamil Majchrzak | 1-6,3-6 |
| Polish National Tour | 2020/07/16 11:00 | Marek, Wojciech v Wojcik, Yann | 6-4,7-6 |
| Polish National Tour | 2020/07/15 09:30 | Marek, Wojciech v Kwiatkowski, Adam | 6-2,6-1 |
| Polish National Tour | 2020/07/08 14:25 | Kamil Majchrzak v Marek, Wojciech | 6-1,6-1 |
| Polish National Tour | 2020/07/07 14:10 | Mikula, Michal v Marek, Wojciech | 7-6,6-7,0-6 |
| Polish National Tour | 2020/06/21 14:00 | Kolasinski, Filip v Marek, Wojciech | 7-5,6-2 |
| Polish National Tour | 2020/06/18 11:00 | Marek, Wojciech v Daniel Michalski | 3-6,3-6 |
| ITF M25 Poznan | 2020/08/25 10:00 | Mikula, Michal v Adrian Oetzbach | 5-7,1-6 |
| ITF M25 Poznan | 2020/08/24 09:30 | Adamek, Makary v Adrian Oetzbach | 0-6,2-6 |
| ITF M25 Poznan | 2020/08/23 09:30 | Dawid Taczala v Adrian Oetzbach | 3-6,2-6 |
| German Premier League | 2020/08/14 14:50 | Robert Strombachs v Adrian Oetzbach | 6-0,6-4 |
| German Premier League | 2020/08/13 14:00 | Adrian Oetzbach v Yanki Erel | 2-6,6-7 |
| German Premier League | 2020/08/12 11:55 | Elmar Ejupovic v Adrian Oetzbach | 6-2,6-4 |
| German Premier League | 2020/08/11 17:10 | Moraing, Mats v Adrian Oetzbach | 6-0,6-1 |
| German Premier League | 2020/08/10 07:30 | Benjamin Lock v Adrian Oetzbach | 4-6,6-3,6-1 |