Stadium: Court 7 Round: 26 Ground: Clay
| ITF M15 Buenos Aires | 2023/08/29 13:00 | Gonzalo Villanueva v Mateo Barreiros Reyes | 6-4,7-5 |
| Challenger Lima | 2023/08/23 17:35 | Gonzalo Villanueva v Renzo Olivo | 6-0,3-6,4-6 |
| Challenger Lima | 2023/08/22 17:45 | Gonzalo Villanueva v Juan C P Angelo | 6-3,1-6,7-5 |
| ITF M25 Trujillo | 2023/08/17 15:00 | Gonzalo Villanueva v Ignacio Carou | 5-7,2-6 |
| ITF M25 Trujillo | 2023/08/15 14:00 | Gonzalo Villanueva v Fermin Tenti | 6-3,6-1 |
| Challenger Cordenons | 2023/08/08 13:45 | Federico Agustin Gomez v Gonzalo Villanueva | 2-6,6-3,7-6 |
| Challenger Cordenons | 2023/08/07 12:05 | Marcello Serafini v Gonzalo Villanueva | 2-6,1-6 |
| Challenger Cordenons | 2023/08/06 09:00 | Benito Massacri v Gonzalo Villanueva | 1-6,2-6 |
| ITF M15 Buenos Aires | 2023/08/30 16:20 | Vitor Leal v Laelson Rodrigues | 6-3,6-1 |
| ITF M15 Buenos Aires | 2023/08/29 13:00 | Vitor Leal v Francisco Pini | 3-6,4-6 |
| ITF M15 Buenos Aires | 2023/08/28 14:30 | Vitor Leal v Elbert Barr | 7-5,7-6 |
| ITF M15 Buenos Aires | 2023/08/27 12:30 | Vitor Leal v Mateo Berta | 6-4,6-2 |
| ITF M15 Sao Paulo | 2023/08/21 14:00 | Vitor Leal v Ryan A Dos Santos | 2-6,6-7 |
| ITF M15 Belem | 2023/08/15 17:00 | Rafael Tosetto v Vitor Leal | 6-2,7-5 |
| ITF M15 Monastir | 2023/06/28 10:00 | Alexis Gautier v Vitor Leal | 6-1,6-1 |
| ITF M15 Monastir | 2023/06/21 08:30 | Wissam Abderrahman v Vitor Leal | 6-2,6-1 |