Round: 26 Ground: Clay
| Challenger Santa Cruz DM | 2024/03/07 00:50 | Bueno/Huertas Del Pino v Arias/Zeballos | 4-6,3-6 |
| Challenger Sao Leopoldo DM | 2024/03/30 21:00 | Draxl/Weis v Demoliner/Luz | 5-7,6-3,8-10 |
| Challenger Sao Leopoldo DM | 2024/03/28 15:00 | Draxl/Weis v Taylor/Villanueva | 6-3,6-4 |
| Challenger Sao Leopoldo DM | 2024/03/27 15:00 | Duncan/Stevenson v Draxl/Weis | 3-6,4-6 |
| Challenger Asuncion DM | 2024/03/21 00:45 | Draxl/Weis v Demoliner/Luz | 5-7,5-7 |
| Challenger Santiago DM | 2024/03/13 18:30 | Huertas Del Pino/Kestelboim v Draxl/Weis | 6-2,3-6,10-5 |