Stadium: Centre Court Round: 62 Ground: Clay
| ITF M25 Eupen | 2021/09/05 09:00 | Benjamin Buck v Marcel Politowicz | 2-6,1-6 |
| ITF M25 Poznań | 2021/08/24 08:00 | Marcel Politowicz v Adrian Oetzbach | 3-6,2-6 |
| ITF M25 Poznań | 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 - Poznan | 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 Poznań | 2019/08/21 12:45 | Marcel Politowicz v Camilo Ugo Carabelli | 1-6,0-6 |
| ITF Poland F8 | 2018/08/21 13:00 | Petr Nouza v Marcel Politowicz | 6-3,6-4 |
| ITF M25 Eupen | 2021/09/05 09:45 | Dawid Taczala v Loic Cloes | 3-6,1-6 |
| ITF M15 Allershausen | 2021/08/30 10:30 | Loic Cloes v Alexander Wolfschmidt | 5-7,6-3,8-10 |
| ITF M15 Huy | 2021/08/24 09:30 | Loic Cloes v Benjamin Dhoe | 3-6,2-6 |
| ITF M25 Koksijde | 2021/08/17 09:30 | Mathys Erhard v Loic Cloes | 7-5,6-4 |
| ITF M25 Koksijde | 2021/08/16 09:40 | Loic Cloes v Tom Clavel | 6-4,6-4 |
| ITF M25 Koksijde | 2021/08/15 09:40 | Loic Cloes v Christian Djonov | 6-1,7-6 |
| ITF M25 Wetzlar | 2021/08/02 08:00 | Stepan Pecak v Loic Cloes | 6-4,4-6,10-8 |
| ITF M15 Eupen | 2019/08/10 08:30 | Loic Cloes v Denis Klok | 6-7,7-5,4-6 |