Stadium: Court 8 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Sozopol | 2021/10/10 12:00 | Ilya Snitari v Marcel Politowicz | 6-1,6-1 |
| ITF M15 Vyškovo | 2021/09/20 14:00 | Vlad Andrei Dumitru v Marcel Politowicz | 6-1,6-0 |
| ITF M15 Vyškovo | 2021/09/20 06:00 | Marcel Politowicz v Matej Galik | 6-2,6-3 |
| ITF M15 Vyškovo | 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 M25 Poznaň | 2021/08/24 08:00 | Marcel Politowicz v Adrian Oetzbach | 3-6,2-6 |
| ITF M25 Poznaň | 2021/08/22 08:00 | Marcel Politowicz v Timur Mukhtarulin | 7-5,6-4 |
| ITF M15 Monastir | 2021/12/12 10:00 | Roman Ruenger v Alessandro Bellifemine | 2-6,5-7 |
| ITF M15 Monastir | 2021/12/06 10:30 | Alessandro Bellifemine v Rhys Searant | 4-6,3-6 |
| ITF M15 Monastir | 2021/12/05 11:30 | Alessandro Bellifemine v Natthayut Nithithananont | 6-1,6-0 |
| ITF M15 Monastir | 2021/11/28 10:00 | Sami Ben Abdennibi v Alessandro Bellifemine | 6-3,7-6 |
| ITF M15 Káhira | 2021/09/06 07:30 | Bruno P Navarro v Alessandro Bellifemine | 6-4,6-0 |
| ITF M15 Káhira | 2021/08/31 08:00 | Jordi Garcia Mestre v Alessandro Bellifemine | 1-6,6-3,10-4 |
| ITF M15 Káhira | 2021/08/30 12:30 | Pavel Kravchenko v Alessandro Bellifemine | 4-6,0-6 |
| ITF M25 Bacau | 2021/08/17 07:00 | Vasile Antonescu v Alessandro Bellifemine | 7-6,6-3 |