Stadium: Cancha 7 Round: 19 Ground: Clay
| Challenger Buenos Aires | 2023/10/08 19:05 | Joao Lucas Reis da Silva v Sebastian Prechtel | 6-3,6-4 |
| Challenger Campinas | 2023/10/02 20:00 | Joao Lucas Reis da Silva v Jan Choinski | 6-4,2-6,1-6 |
| Challenger Bogota | 2023/09/25 19:55 | Viktor Durasovic v Joao Lucas Reis da Silva | 6-3,4-6,6-3 |
| Challenger Antofagasta | 2023/09/22 17:30 | Joao Lucas Reis da Silva v Tristan Boyer | 6-7,2-6 |
| Challenger Antofagasta | 2023/09/21 14:30 | Hugo Dellien v Joao Lucas Reis da Silva | 6-3,6-7,5-7 |
| Challenger Antofagasta | 2023/09/19 18:30 | Andrea Collarini v Joao Lucas Reis da Silva | 6-7,2-6 |
| Challenger Santa Cruz | 2023/09/14 19:00 | Pedro Sakamoto v Joao Lucas Reis da Silva | 4-6,7-6,6-2 |
| Challenger Santa Cruz | 2023/09/13 00:00 | Joao Lucas Reis da Silva v Luciano Darderi | 6-4,6-3 |
| Challenger Buenos Aires | 2023/10/08 19:45 | Gonzalo Bueno v Alvaro Guillen Meza | 4-6,6-2,3-6 |
| ITF M25 Lujan | 2023/10/01 13:00 | Luciano Emanuel Ambrogi v Alvaro Guillen Meza | 6-3,3-6,6-7 |
| ITF M25 Lujan | 2023/09/30 15:15 | Gonzalo Bueno v Alvaro Guillen Meza | 3-6,2-6 |
| ITF M25 Lujan | 2023/09/29 17:05 | Mateo Barreiros Reyes v Alvaro Guillen Meza | 4-6,6-4,4-6 |
| ITF M25 Lujan | 2023/09/28 21:55 | Bruno Kuzuhara v Alvaro Guillen Meza | 6-7,1-6 |
| ITF M15 Punta del Este | 2023/09/24 14:00 | Alvaro Guillen Meza v Bruno Kuzuhara | 7-6,1-6,3-6 |
| ITF M15 Punta del Este | 2023/09/23 14:00 | Alvaro Guillen Meza v Franco Roncadelli | 7-5,7-6 |
| ITF M15 Punta del Este | 2023/09/22 16:50 | Alvaro Guillen Meza v Bautista Vilicich | 6-4,3-6,6-4 |