Stadium: Court 1 Round: 44 Ground: Clay
| ITF M15 Vyshkovo | 2021/09/20 06:00 | Vlad Andrei Dumitru v Vasil Yehorov | 6-4,6-2 |
| ITF M15 Zlatibor | 2021/09/12 10:00 | Dusan Rajic v Vlad Andrei Dumitru | 6-7,7-5,10-6 |
| ITF M25 Bacau | 2021/08/17 10:10 | Dragos Nicolae Madaras v Vlad Andrei Dumitru | 6-1,6-2 |
| ITF M15 Curtea de Arges | 2021/08/11 10:25 | Vlad Andrei Dumitru v Cezar Cretu | 5-7,1-6 |
| ITF M25 Pitesti | 2021/08/05 14:55 | Vlad Andrei Dumitru v Dragos Nicolae Madaras | 3-6,4-6 |
| ITF M25 Pitesti | 2021/08/04 11:25 | Vlad Andrei Dumitru v Bogdan Borza | 7-5,6-3 |
| ITF M15 Doboj | 2021/07/11 09:30 | Vlad Andrei Dumitru v Carles Hernandez | 4-6,2-6 |
| ITF M15 Sofia | 2021/07/04 07:30 | Vlad Andrei Dumitru v Leonid Sheyngezikht | 1-6,4-6 |
| 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 M25 Poznan | 2021/08/24 08:00 | Marcel Politowicz v Adrian Oetzbach | 3-6,2-6 |
| ITF M25 Poznan | 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 |