Stadium: Court 5 Round: 14 Ground: Clay
| ITF M15 Vyshkovo | 2021/09/22 11:00 | Ilya Snitari v Vlad Andrei Dumitru | 7-5,6-1 |
| 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 | 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 |
| Challenger Biel | 2021/09/19 09:30 | Yannick Mertens v Elmar Ejupovic | 6-3,7-6 |
| Challenger Istanbul | 2021/09/13 09:00 | Aldin Setkic v Elmar Ejupovic | 7-6,6-7,6-3 |
| Challenger Istanbul | 2021/09/12 11:05 | Togan Tokac v Elmar Ejupovic | 2-6,4-6 |
| Challenger Banja Luka | 2021/09/06 09:00 | Elmar Ejupovic v Jonathan Mridha | 6-2,2-6,2-6 |
| Challenger Banja Luka | 2021/09/05 11:15 | Elmar Ejupovic v Andrej Nedic | 3-6,6-3,6-0 |
| Challenger Prague | 2021/08/23 08:00 | Uladzimir Ignatik v Elmar Ejupovic | 7-6,2-6,6-4 |
| Challenger Prague | 2021/08/22 11:35 | Jiri Jenicek v Elmar Ejupovic | 2-6,1-6 |
| Challenger San Marino | 2021/08/08 08:00 | Elmar Ejupovic v Francesco Forti | 1-6,4-6 |