Stadium: Court 9 Round: 25 Ground: Clay
| 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 |
| Challenger San Marino | 2023/07/30 11:00 | Gonzalo Villanueva v Daniel Dutra Da Silva | 0-6,1-6 |
| ITF M15 Sao Paulo | 2023/08/24 14:00 | Rafael Tosetto v Mateo Barreiros Reyes | 6-4,2-6,7-6 |
| ITF M15 Sao Paulo | 2023/08/23 14:00 | Enzo Lima v Mateo Barreiros Reyes | 3-6,1-6 |
| ITF M15 Belem | 2023/08/19 19:00 | Mateo Barreiros Reyes v Gilbert S K Junior | 2-6,3-6 |
| ITF M15 Belem | 2023/08/18 19:00 | Mateo Barreiros Reyes v Fernando Yamacita | 6-4,6-4 |
| ITF M15 Belem | 2023/08/16 17:00 | Mateo Barreiros Reyes v Lucca Pinto | 2-6,6-4,6-2 |
| ITF M15 Raanana | 2023/08/01 07:00 | Mateo Barreiros Reyes v Roi Ginat | 5-7,4-6 |
| ITF M25 Brazzaville | 2023/07/29 13:10 | Calvin Hemery v Mateo Barreiros Reyes | 3-6,6-3,7-6 |
| ITF M25 Brazzaville | 2023/07/28 09:00 | Ishaque Eqbal v Mateo Barreiros Reyes | 1-6,2-6 |