Stadion: Court 7 Round: 62 Ground: Clay
| ITF - M25 - Posen | 2021/08/24 08:00 | Marcel Politowicz v Adrian Oetzbach | 3-6,2-6 |
| ITF - M25 - Posen | 2021/08/22 08:00 | Marcel Politowicz v Timur Mukhtarulin | 7-5,6-4 |
| ITF - M25 - Grodzisk Mazowiecki | 2021/08/01 13:50 | Marcel Politowicz v Alan Bojarski | 4-6,7-5,2-10 |
| Challenger - Posen | 2021/07/25 09:00 | Evan Furness v Marcel Politowicz | 6-1,6-3 |
| ITF - M25 - Wroclaw | 2021/06/27 11:00 | Davide Tortora v Marcel Politowicz | 6-2,4-6,10-8 |
| ITF - M25 - Posen | 2019/08/21 12:45 | Marcel Politowicz v Camilo Ugo Carabelli | 1-6,0-6 |
| ITF - Polen F8 | 2018/08/21 13:00 | Petr Nouza v Marcel Politowicz | 6-3,6-4 |