| UTR Pro Tennis Series Brasov | 2021/10/27 07:00 | Vasile Antonescu v Roman Boychuk | 6-4,5-0 |
| UTR Pro Tennis Series Brasov | 2021/10/26 08:30 | Vasile Antonescu v Ioan Alexandru Chirita | 1-6,3-6 |
| UTR Pro Tennis Series Brasov | 2021/10/25 10:00 | Vasile Antonescu v Edris Fetisleam | 3-6,1-5 |
| ITF M25 Bacau | 2021/08/18 12:00 | Vasile Antonescu v Tiago Cacao | 2-6,4-6 |
| ITF M25 Bacau | 2021/08/17 07:00 | Vasile Antonescu v Alessandro Bellifemine | 7-6,6-3 |
| ITF M15 Curtea de Arges | 2021/08/08 10:00 | Radu Mihai Papoe v Vasile Antonescu | 6-0,6-4 |
| UTR Pro Tennis Series Mulheim | 2021/07/31 08:30 | Vasile Antonescu v Alexander Hoogmartens | 5-7,7-6,6-1 |
| UTR Pro Tennis Series Mulheim | 2021/07/30 12:56 | Vasile Antonescu v Francois Musitelli | 6-1,6-4 |
| UTR Pro Tennis Series Brasov | 2021/10/27 07:00 | Edris Fetisleam v Vladimir Popov | 6-0,5-2 |
| UTR Pro Tennis Series Brasov | 2021/10/25 10:00 | Ioan Alexandru Chirita v Vladimir Popov | 6-2,6-2 |
| UTR Pro Tennis Series Nis | 2021/10/10 08:00 | Christos Keisidis v Vladimir Popov | 6-1,5-2 |
| UTR Pro Tennis Series Nis | 2021/10/09 13:15 | Aleksandar Ljubojevic v Vladimir Popov | 4-6,5-7 |
| UTR Pro Tennis Series Nis | 2021/10/08 18:15 | Petar Pjevcevic v Vladimir Popov | 2-6,6-0,5-1 |
| UTR Pro Tennis Series Nis | 2021/10/07 14:00 | Duje Kekez v Vladimir Popov | 6-0,5-1 |
| UTR Pro Tennis Series Nis | 2021/10/05 10:30 | Ivan Denisov v Vladimir Popov | 6-2,5-4 |
| UTR Pro Tennis Series Nis | 2021/10/04 08:30 | Vladimir Popov v Lazar Radenkovic | 6-1,5-2 |