Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Monastir | 2021/12/20 08:00 | Martyn Pawelski v Marcel Politowicz | 6-7,6-4,10-6 |
| ITF M15 Monastir | 2021/12/13 08:00 | Marcel Politowicz v Alessandro Bellifemine | 3-6,7-6,7-10 |
| ITF M15 Sozopol | 2021/10/10 12:00 | Ilya Snitari v Marcel Politowicz | 6-1,6-1 |
| ITF M15 Vyshkovo | 2021/09/20 14:00 | Vlad Andrei Dumitru v Marcel Politowicz | 6-1,6-0 |
| ITF M15 Vyshkovo | 2021/09/20 06:00 | Marcel Politowicz v Matej Galik | 6-2,6-3 |
| ITF M15 Vyshkovo | 2021/09/19 11:00 | Igor Dudun v Marcel Politowicz | 3-6,1-6 |
| ITF M25 Eupen | 2021/09/06 07:30 | Marcel Politowicz v Loic Cloes | 3-6,3-6 |
| ITF M25 Eupen | 2021/09/05 09:00 | Benjamin Buck v Marcel Politowicz | 2-6,1-6 |
| ITF M15 Ostrava | 2021/11/24 12:50 | Martin Krumich v Vojtech Petr | 6-4,6-1 |
| ITF M25 Most | 2021/05/23 14:00 | Kai Lemstra v Vojtech Petr | 6-4,6-4 |
| Challenger Prague | 2021/05/02 14:40 | Vojtech Petr v Sergiy Stakhovsky | 3-6,7-6,5-7 |