Stadium: Cancha 7 Round: 25 Ground: Clay
| 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 |
| Challenger - Salzburg | 2023/07/11 09:00 | Matheus P De Almeida v Nerman Fatic | 0-6,5-7 |
| Challenger - Blois | 2023/06/20 12:10 | Matheus P De Almeida v Ugo Blanchet | 6-7,7-6,4-6 |
| Challenger - Lyon | 2023/06/13 11:40 | Matheus P De Almeida v Felipe Meligeni Rodrigues Alves | 6-3,3-6,4-6 |
| Challenger - Santa Cruz | 2023/09/13 00:35 | Juan C P Angelo v Adolfo Daniel Vallejo | 6-3,6-1 |
| ITF - M15 Buenos Aires | 2023/09/01 15:25 | Lautaro Midon v Adolfo Daniel Vallejo | 6-3,6-4 |
| ITF - M15 Buenos Aires | 2023/08/31 15:10 | Fermin Tenti v Adolfo Daniel Vallejo | 3-6,6-4,3-6 |
| ITF - M15 Buenos Aires | 2023/08/29 13:00 | Gonzalo Zeitune v Adolfo Daniel Vallejo | 4-6,1-6 |
| Challenger - Lima | 2023/08/23 22:00 | Adolfo Daniel Vallejo v Ignacio Buse | 5-7,6-7 |
| Challenger - Lima | 2023/08/22 01:15 | Adolfo Daniel Vallejo v Pedro Boscardin Dias | 6-2,6-4 |
| Challenger - Cary | 2023/08/10 21:30 | Tung-Lin Wu v Adolfo Daniel Vallejo | 6-1,3-6,6-1 |
| Challenger - Cary | 2023/08/08 22:15 | Adolfo Daniel Vallejo v Leandro Riedi | 6-3,6-4 |