| UTR Pro Tennis Series Barcelona | 2021/09/28 11:00 | Fermin Calvo Barcelo v Ervin H Eminefendic | 6-1,5-2 |
| UTR Pro Tennis Series Barcelona | 2021/09/27 09:30 | Fermin Calvo Barcelo v Pol Fernandez | 6-4,6-2 |
| ITF M25 Madrid | 2021/09/13 10:00 | Alejandro Garcia v Fermin Calvo Barcelo | 6-1,6-2 |
| ITF M25 Madrid | 2021/09/12 13:00 | Ilya Rudiukov v Fermin Calvo Barcelo | 5-7,3-6 |
| ITF M25 Ricany | 2021/08/30 08:00 | Antonin Bolardt v Fermin Calvo Barcelo | 6-2,6-2 |
| ITF M25 Ricany | 2021/08/29 09:00 | Fermin Calvo Barcelo v Tomas Krcma | 6-2,6-0 |
| ITF M25 Poznan | 2021/08/25 08:00 | Fermin Calvo Barcelo v Felix Gill | 3-6,6-7 |
| ITF M25 Poznan | 2021/08/24 16:10 | Harry Wendelken v Fermin Calvo Barcelo | 6-2,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/09/28 11:00 | Pol Fernandez v George Botezan | 6-4,6-7,4-5 |
| UTR Pro Tennis Series Mulheim | 2021/09/25 08:30 | George Botezan v Thijmen Loof | 1-6,0-6 |
| UTR Pro Tennis Series Mulheim | 2021/09/24 13:30 | George Botezan v Julien De Cuyper | 6-4,6-1 |
| UTR Pro Tennis Series Mulheim | 2021/09/23 12:30 | George Botezan v Oleksandr Bielinskyi | 2-6,6-4,6-7 |
| UTR Pro Tennis Series Mulheim | 2021/09/22 11:00 | Pablo Carretero v George Botezan | 4-6,3-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/27 13:30 | Yanais Laurent v George Botezan | 6-4,6-1 |
| UTR Pro Tennis Series Portoroz | 2021/08/26 08:30 | Egor Agafonov v George Botezan | 5-7,1-6 |
| UTR Pro Tennis Series Portoroz | 2021/08/22 07:00 | George Botezan v Denis Parshutin | 6-3,5-7,6-2 |