Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Campinas | 2023/10/01 17:25 | Joao Eduardo Schiessl v Wilson Leite | 3-6,6-2,4-6 |
| ITF M25 Lujan | 2023/09/26 15:15 | Joao Eduardo Schiessl v Gonzalo Bueno | 6-4,6-7,3-6 |
| ITF M25 Lujan | 2023/09/25 17:15 | Joao Eduardo Schiessl v Gonzalo Zeitune | 6-2,7-5 |
| ITF M25 Lujan | 2023/09/24 17:00 | Joao Eduardo Schiessl v Rocco Valente | 6-1,7-5 |
| ITF - M15 Punta del Este | 2023/09/20 16:00 | Franco Roncadelli v Joao Eduardo Schiessl | 3-6,6-3,6-0 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/25 18:30 | Eduardo Ribeiro v Joao Eduardo Schiessl | 7-6,6-4 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/24 13:55 | Luis Britto v Joao Eduardo Schiessl | 3-6,3-6 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/23 15:55 | Joao Eduardo Schiessl v Joao Victor C Loureiro | 6-1,6-4 |
| Challenger Campinas | 2023/10/01 18:35 | Facundo Mena v Rafael Tosetto | 6-1,4-6,6-4 |
| ITF M25 Lujan | 2023/09/25 14:25 | Rafael Tosetto v Sean Hess | 4-6,1-6 |
| ITF M25 Lujan | 2023/09/24 13:00 | Rafael Tosetto v Joel Angel Lucero | 6-2,6-3 |
| ITF - M15 Punta del Este | 2023/09/19 15:00 | Rafael Tosetto v Mateo Barreiros Reyes | 7-5,6-1 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/25 16:55 | Ignacio A B Otarola v Rafael Tosetto | 6-2,1-6,6-3 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/24 14:00 | Rafael Tosetto v Mateo Barreiros Reyes | 6-4,2-6,7-6 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/23 14:00 | Rafael Tosetto v Thiago Cigarran | 6-3,6-3 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/22 14:00 | Rafael Tosetto v Gustavo Tedesco | 6-2,7-5 |