Stadium: Quadra 9 Round: 28 Ground: Hardcourt outdoor
| Challenger Brasilia MD | 2021/11/25 19:15 | Darderi/Olivieri v Castelnuovo/Nikles | 6-3,6-2 |
| Challenger Brasilia MD | 2021/11/24 13:00 | Darderi/Olivieri v Gomez/Merino | 7-5,6-7,10-7 |
| Challenger Brasilia MD | 2021/11/25 19:15 | Lipovsek Puches/Londero v Casanova/Rodriguez Taverna | 4-6,3-6 |
| Challenger Brasilia MD | 2021/11/24 17:40 | Casanova/Rodriguez Taverna v Martinez/Romboli | 6-7,6-4,14-12 |
| Challenger Campinas MD | 2021/11/20 17:30 | Casanova/Rodriguez Taverna v Klier Junior/P De Almeida | 3-6,4-6 |
| Challenger Campinas MD | 2021/11/19 20:45 | Casanova/Rodriguez Taverna v Coria/Lipovsek Puches | 4-6,6-3,10-7 |
| Challenger Campinas MD | 2021/11/17 19:00 | Andreozzi/Etcheverry v Casanova/Rodriguez Taverna | 4-6,3-6 |
| Challenger Montevideo MD | 2021/11/11 22:10 | Matos/M R Alves v Casanova/Rodriguez Taverna | 6-4,6-1 |
| Challenger Montevideo MD | 2021/11/10 21:40 | Acosta/Arus v Casanova/Rodriguez Taverna | 3-6,6-1,4-10 |
| Challenger Buenos Aires MD | 2021/10/23 20:00 | Darderi/Torres v Casanova/Rodriguez Taverna | 7-6,7-6 |