stadio: Quadra 3 Round: 27 Ground: Clay
| Challenger Florianopolis DM | 2021/12/08 19:00 | Darderi/Nikles v Luz/Marcondes | 7-5,6-3 |
| Challenger San Paolo DM | 2021/12/01 18:30 | Darderi/Nikles v Juarez/Villanueva | 6-2,1-6,10-12 |
| Challenger Florianopolis DM | 2021/12/08 15:00 | Roveri Sidney/Wild v Cuevas/Matos | 2-6,4-6 |