Stadium: Cancha Central Round: 14 Ground: Clay
| Challenger Guayaquil | 2023/10/31 20:00 | Hugo Dellien v Alex Barrena | 6-2,7-5 |
| Challenger Guayaquil | 2023/10/30 16:45 | Carlos Taberner v Alex Barrena | 7-5,6-3 |
| Challenger Guayaquil | 2023/10/29 19:15 | Angel Diaz Jalil v Alex Barrena | 2-6,4-6 |
| Challenger Santa Fe | 2023/10/17 19:00 | Mariano Navone v Alex Barrena | 6-7,6-2,6-2 |
| Challenger Santa Fe | 2023/10/15 19:15 | Ignacio Monzon v Alex Barrena | 4-6,3-6 |
| Challenger Buenos Aires | 2023/10/09 14:00 | Alex Barrena v Gonzalo Villanueva | 4-6,3-6 |
| Challenger Buenos Aires | 2023/10/08 13:00 | Nick Hardt v Alex Barrena | 4-6,3-6 |
| ITF M25 Mendoza | 2023/10/06 16:15 | Ignacio Buse v Alex Barrena | 6-2,6-1 |
| Challenger Guayaquil | 2023/11/01 00:25 | Alvaro Guillen Meza v Lukas Neumayer | 4-6,6-2,4-6 |
| Challenger Santa Fe | 2023/10/15 16:35 | Gonzalo Villanueva v Alvaro Guillen Meza | 6-3,4-6,6-3 |
| Challenger Buenos Aires | 2023/10/09 17:45 | Joao Lucas Reis da Silva v Alvaro Guillen Meza | 7-6,7-6 |
| Challenger Buenos Aires | 2023/10/08 19:45 | Gonzalo Bueno v Alvaro Guillen Meza | 4-6,6-2,3-6 |
| ITF M25 Lujan | 2023/10/01 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 |