Stadium: Centre Court Round: 19 Ground: Hardcourt outdoor
| Challenger Brasilia | 2023/11/19 17:25 | Gonzalo Bueno v Paulo A S Dos Santos | 7-6,6-4 |
| Challenger Guayaquil | 2023/10/31 15:00 | Gonzalo Bueno v Marco Trungelliti | 0-6,4-6 |
| Challenger Guayaquil | 2023/10/30 16:45 | Gonzalo Bueno v Ignacio Buse | 6-1,6-2 |
| Challenger Guayaquil | 2023/10/29 17:05 | Gonzalo Bueno v Justin Roberts | 6-4,3-6,6-4 |
| Challenger Santa Fe | 2023/10/16 17:15 | Gonzalo Bueno v Roman Andres Burruchaga | 6-4,3-6,0-6 |
| Challenger Buenos Aires | 2023/10/08 19:45 | Gonzalo Bueno v Alvaro Guillen Meza | 4-6,6-2,3-6 |
| ITF M25 Lujan | 2023/09/30 15:15 | Gonzalo Bueno v Alvaro Guillen Meza | 3-6,2-6 |
| ITF M25 Lujan | 2023/09/29 16:10 | Lautaro Midon v Gonzalo Bueno | 4-6,0-6 |
| Challenger Brasilia | 2023/11/19 14:25 | Marcelo Zormann v Arklon H D Pino | 6-4,6-2 |
| Challenger Curitiba | 2023/10/22 13:00 | Marcelo Zormann v Ignacio Buse | 3-6,6-7 |
| Challenger Campinas | 2023/10/02 15:15 | Orlando Luz v Marcelo Zormann | 6-4,6-3 |
| Challenger Campinas | 2023/10/01 16:55 | Joao M Nusdeo v Marcelo Zormann | 3-6,3-6 |
| Challenger Bogota | 2023/09/24 18:15 | Blaise Bicknell v Marcelo Zormann | 6-4,3-6,6-4 |
| Challenger Antofagasta | 2023/09/17 17:50 | Ignacio Monzon v Marcelo Zormann | 6-2,6-2 |
| Challenger Santa Cruz | 2023/09/13 00:45 | Matheus Pucinelli De Almeida v Marcelo Zormann | 6-4,6-4 |
| Challenger Santa Cruz | 2023/09/11 19:40 | Juan Sebastian Gomez v Marcelo Zormann | 6-3,2-6,6-7 |