| UTR Pro Tennis Series Bucharest | 2021/11/29 11:00 | Stefan A Andreescu v Vasile Antonescu | 7-6,6-0 |
| 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 Bucharest | 2021/11/29 09:30 | Ioan Alexandru Chirita v Nicolae Frunza | 2-6,2-5 |
| UTR Pro Tennis Series Brasov | 2021/10/30 08:00 | Bogdan Borza v Ioan Alexandru Chirita | 6-4,3-6,5-3 |
| UTR Pro Tennis Series Brasov | 2021/10/29 13:30 | Edris Fetisleam v Ioan Alexandru Chirita | 6-4,6-1 |
| UTR Pro Tennis Series Brasov | 2021/10/28 11:30 | Roman Boychuk v Ioan Alexandru Chirita | 4-6,2-5 |
| 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 | Ioan Alexandru Chirita v Vladimir Popov | 6-2,6-2 |
| UTR Pro Tennis Series Sofia | 2021/09/04 07:00 | Ioan Alexandru Chirita v Volodymyr Uzhylovskyi | 4-3 |
| UTR Pro Tennis Series Sofia | 2021/09/03 10:00 | Ioan Alexandru Chirita v Mihael Mihaylov | 7-5,5-3 |