Stadium: Quadra 2 Round: 28 Ground: Clay
| Challenger Florianopolis MD | 2021/12/09 13:00 | Leite/C Loureiro v Castelnuovo/Merino | 4-6,6-3,10-5 |
| Challenger Florianopolis MD | 2021/12/08 17:45 | Leite/C Loureiro v Ficovich/Zukas | 6-2,6-2 |
| Challenger Florianopolis MD | 2021/12/09 19:00 | Darderi/Nikles v Cuevas/Matos | 0-6,6-3,7-10 |
| Challenger Florianopolis MD | 2021/12/08 15:00 | Roveri Sidney/Wild v Cuevas/Matos | 2-6,4-6 |