Stadium: Cancha 1 Round: 26 Ground: Clay
| Challenger Bogota | 2023/09/25 21:15 | Santiago Rodriguez Taverna v Alex Barrena | 5-7,6-1,4-6 |
| Challenger Santa Cruz | 2023/09/12 20:35 | Juan Manuel Cerundolo v Alex Barrena | 6-2,6-3 |
| Challenger Cordenons | 2023/08/07 13:00 | Alex Barrena v Fausto Tabacco | 7-5,4-6,4-6 |
| Challenger Cordenons | 2023/08/06 10:05 | Alex Barrena v Niki Kaliyanda Poonacha | 6-3,7-6 |
| ITF M25 Bolzano | 2023/08/04 08:30 | Giovanni Oradini v Alex Barrena | 6-3,6-4 |
| ITF M25 Bolzano | 2023/08/03 08:55 | Filippo Speziali v Alex Barrena | 2-6,1-6 |
| ITF M25 Bolzano | 2023/08/02 11:20 | Giulio Perego v Alex Barrena | 2-6,6-3,3-6 |
| ITF M25 Bolzano | 2023/07/31 15:25 | Davide Galoppini v Alex Barrena | 1-6,3-6 |
| Challenger Bogota | 2023/09/26 17:35 | Matheus P De Almeida v Jose Pereira | 6-4,6-4 |
| Challenger Antofagasta | 2023/09/22 15:00 | Camilo Ugo Carabelli v Matheus P De Almeida | 7-6,6-2 |
| Challenger Antofagasta | 2023/09/18 17:00 | Matheus P De Almeida v Adolfo Daniel Vallejo | 6-2,2-6,6-1 |
| Challenger Santa Cruz | 2023/09/14 22:00 | Thiago Agustin Tirante v Matheus P De Almeida | 7-6,7-6 |
| Challenger Santa Cruz | 2023/09/13 00:45 | Matheus P De Almeida v Marcelo Zormann | 6-4,6-4 |
| Challenger Santo Domingo | 2023/08/08 17:45 | Matheus P De Almeida v Genaro Alberto Olivieri | 2-6,6-1,2-6 |
| Challenger Liberec | 2023/08/02 10:15 | Matheus P De Almeida v Riccardo Bonadio | 2-6,1-6 |
| Challenger Zug | 2023/07/25 09:30 | Matheus P De Almeida v Adrian Andreev | 2-6,4-6 |