| UTR Pro Tennis Series Brasov | 2021/10/31 09:30 | Vasile Antonescu v Stefan A Andreescu | 4-6,7-6,6-3 |
| UTR Pro Tennis Series Brasov | 2021/10/31 09:30 | Vasile Antonescu v Stefan A Andreescu | 4-6,7-6,6-3 |
| UTR Pro Tennis Series Brasov | 2021/10/30 09:30 | Stefan A Andreescu v Alexander Lazov | 6-3,7-5 |
| UTR Pro Tennis Series Brasov | 2021/10/29 08:30 | Stefan A Andreescu v Dan Alexandru Tomescu | 6-3,5-7,1-6 |
| UTR Pro Tennis Series Brasov | 2021/10/28 08:30 | Stefan A Andreescu v Dragos Constantin Ignat | 6-3,6-6 |
| UTR Pro Tennis Series Brasov | 2021/10/27 10:00 | Valentin Vanta v Stefan A Andreescu | 3-6,7-6,5-2 |
| UTR Pro Tennis Series Brasov | 2021/10/26 11:30 | Mihai Razvan Marinescu v Stefan A Andreescu | 2-6,4-6 |
| UTR Pro Tennis Series Brasov | 2021/10/31 09:30 | Vasile Antonescu v Stefan A Andreescu | 4-6,7-6,6-3 |
| UTR Pro Tennis Series Brasov | 2021/10/30 09:30 | Vasile Antonescu v Simon A Ivanov | 6-0,6-3 |
| UTR Pro Tennis Series Brasov | 2021/10/28 11:30 | Vasile Antonescu v Vladimir Popov | 4-4 |
| 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 |