| 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 |
| UTR Pro Tennis Series - Sofia | 2021/09/02 11:30 | Ioan Alexandru Chirita v Tadija Radovanovic | 6-1,6-5 |
| Puchar Davisa | 2021/11/27 10:00 | Nicolae Frunza v Nicolas Alvarez | 6-2,6-4 |
| ITF - Antalya M15 | 2021/11/04 06:30 | Nicolae Frunza v Lukas Neumayer | 3-6,3-6 |
| ITF - Antalya M15 | 2021/11/03 11:20 | Nicolae Frunza v Konstantin Zhzhenov | 6-2,6-3 |
| ITF - Antalya M15 | 2021/10/22 07:00 | Nicholas David Ionel v Nicolae Frunza | 6-4,6-1 |
| ITF - Antalya M15 | 2021/10/21 07:00 | Santiago De La Fuente v Nicolae Frunza | 1-6,7-5,0-6 |
| ITF - Antalya M15 | 2021/10/20 10:20 | Gabriele Maria Noce v Nicolae Frunza | 4-6,2-6 |
| ITF - Antalya M15 | 2021/10/13 09:20 | Bogdan Ionut Apostol v Nicolae Frunza | 7-6,7-6 |
| Challenger Sibiu | 2021/09/27 09:50 | Nicolae Frunza v Nicholas David Ionel | 6-4,3-6,6-7 |