Stadium: Cancha 2 Round: 14 Ground: Clay
| Challenger Buenos Aires | 2023/10/12 15:35 | Franco Agamenone v Gonzalo Villanueva | 7-6,6-2 |
| Challenger Buenos Aires | 2023/10/10 17:35 | Gonzalo Villanueva v Juan Bautista Torres | 2-6,6-2,6-3 |
| 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 | Gonzalo Villanueva v Nicolas Mejia | 6-4,6-2 |
| ITF M25 Mendoza | 2023/10/06 15:35 | Gonzalo Villanueva v Luciano Emanuel Ambrogi | 3-6,4-6 |
| ITF M25 Mendoza | 2023/10/05 16:25 | Gonzalo Villanueva v Facundo Juarez | 7-5,6-4 |
| ITF M25 Mendoza | 2023/10/03 16:40 | Gonzalo Villanueva v Fernando Cavallo | 5-7,6-1,6-0 |
| ITF M25 Lujan | 2023/09/28 14:45 | Juan C P Angelo v Gonzalo Villanueva | 6-2,6-4 |
| 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 |
| 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 |