| ITF M15 Bucarest | 2021/05/24 08:00 | Filippo Speziali v Radu Mihai Papoe | 7-5,6-3 |
| ITF M15 Bucarest | 2021/05/23 09:00 | Radu Mihai Papoe v Vasile Antonescu | 1-6,7-5,10-5 |
| UTR Pro Tennis Series Bucarest | 2021/05/22 12:30 | Radu Mihai Papoe v Simon Beaupain | 2-6,7-5,5-7 |
| UTR Pro Tennis Series Bucarest | 2021/05/21 18:00 | Juan Pablo Paz v Radu Mihai Papoe | 6-2,6-3 |
| UTR Pro Tennis Series Bucarest | 2021/05/21 14:00 | Yanais Laurent v Radu Mihai Papoe | 2-6,2-6 |
| UTR Pro Tennis Series Bucarest | 2021/05/18 12:45 | Bogdan Borza v Radu Mihai Papoe | 6-3,6-3 |
| ITF M15 Antalya | 2021/03/09 07:00 | Nicolae Frunza v Radu Mihai Papoe | 6-4,6-0 |
| ITF M15 Antalya | 2021/03/08 09:00 | Radu Mihai Papoe v Manfred Fellin | 7-5,6-2 |
| UTR Pro Tennis Series Bucarest | 2021/05/30 08:00 | Vlad Cristian Breazu v Vlad Stoica | 6-3,6-1 |
| ITF M15 Bucarest | 2021/05/23 07:00 | Vlad Cristian Breazu v Vlad Andrei Dumitru | 3-6,1-6 |