stadio: Quadra Central Round: 26 Ground: Clay
| Challenger Santos | 2024/05/07 18:30 | Adolfo Daniel Vallejo v Karue Sell | 6-2,6-2 |
| Challenger Porto Alegre | 2024/05/01 15:35 | Ergi Kirkin v Adolfo Daniel Vallejo | 6-1,7-6 |
| Challenger Acapulco | 2024/04/17 22:00 | Adolfo Daniel Vallejo v Alexis Galarneau | 6-7,1-6 |
| Challenger Acapulco | 2024/04/16 02:25 | Ernesto Escobedo v Adolfo Daniel Vallejo | 4-6,0-6 |
| Challenger Florianopolis | 2024/04/02 18:30 | Adolfo Daniel Vallejo v Roman Andres Burruchaga | 3-6,4-6 |
| Challenger Sao Leopoldo | 2024/03/31 16:30 | Enzo Couacaud v Adolfo Daniel Vallejo | 3-6,2-6 |
| Challenger Sao Leopoldo | 2024/03/30 19:25 | Felipe Meligeni Rodrigues Alves v Adolfo Daniel Vallejo | 4-6,6-3,0-6 |
| Challenger Sao Leopoldo | 2024/03/29 19:05 | Adolfo Daniel Vallejo v Orlando Luz | 6-3,6-1 |
| Challenger Santos | 2024/05/08 16:40 | Nicolas Alvarez v Gonzalo Bueno | 5-7,2-6 |
| Challenger Porto Alegre | 2024/05/04 16:20 | Gonzalo Bueno v Ergi Kirkin | 6-7,6-3,3-6 |
| Challenger Porto Alegre | 2024/05/03 14:00 | Gonzalo Bueno v Juan C P Angelo | 6-3,6-1 |
| Challenger Porto Alegre | 2024/05/02 14:40 | Gonzalo Bueno v Nicolas Zanellato | 6-1,2-6,6-4 |
| Challenger Porto Alegre | 2024/04/30 18:50 | Alvaro G Meza v Gonzalo Bueno | 6-7,6-3,1-6 |
| Challenger Concepcion | 2024/04/28 16:00 | Gonzalo Bueno v Juan Pablo Ficovich | 6-4,6-0 |
| Challenger Concepcion | 2024/04/27 15:00 | Gonzalo Bueno v Jose Pereira | 6-4,6-4 |
| Challenger Concepcion | 2024/04/26 15:15 | Genaro Alberto Olivieri v Gonzalo Bueno | 6-4,2-6,6-7 |