Stadium: Court Diego Schwarzman Round: 26 Ground: Clay
| Challenger Buenos Aires MD | 2021/10/23 20:00 | Darderi/Torres v Casanova/Rodriguez Taverna | 7-6,7-6 |
| Challenger Buenos Aires MD | 2021/10/22 15:00 | Darderi/Torres v Aboian/Aboian | 7-6,6-4 |
| Challenger Buenos Aires MD | 2021/10/21 17:10 | Matos/M R Alves v Darderi/Torres | 6-7,6-2,6-10 |
| Challenger Buenos Aires MD | 2021/10/20 19:00 | Darderi/Torres v Etcheverry/Olivo | 7-6,6-2 |