Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Sao Paulo | 2023/08/24 14:00 | Rafael Tosetto v Mateo Barreiros Reyes | 6-4,2-6,7-6 |
| ITF M15 Brasilia | 2022/08/23 14:00 | Rafael Tosetto v Mateo Barreiros Reyes | 6-2,6-4 |
| ITF M15 Sao Paulo | 2023/08/25 16:55 | Ignacio A B Otarola v Rafael Tosetto | 6-2,1-6,6-3 |
| 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 | Rafael Tosetto v Thiago Cigarran | 6-3,6-3 |
| ITF M15 Sao Paulo | 2023/08/22 14:00 | Rafael Tosetto v Gustavo Tedesco | 6-2,7-5 |
| ITF M15 Sao Paulo | 2023/08/21 14:00 | Rafael Tosetto v Miguel Angel Cabrera | 6-3,6-2 |
| ITF M15 Belem | 2023/08/17 17:00 | Rodrigo Pacheco Mendez v Rafael Tosetto | 6-4,6-2 |
| ITF M15 Belem | 2023/08/15 17:00 | Rafael Tosetto v Vitor Leal | 6-2,7-5 |
| ITF M25 Decatur | 2023/08/04 15:40 | Jonah Braswell v Rafael Tosetto | 6-3,6-0 |
| Challenger Santa Cruz | 2023/09/10 17:10 | Mateo Barreiros Reyes v Victor Lilov | 5-7,7-6,3-6 |
| ITF M15 Buenos Aires | 2023/08/29 13:00 | Gonzalo Villanueva v Mateo Barreiros Reyes | 6-4,7-5 |
| 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 |