Stadium: CENTRAL Round: 26 Ground: Clay
| ITF M15 Sao Paulo | 2023/08/25 18:30 | Eduardo Ribeiro v Joao Eduardo Schiessl | 7-6,6-4 |
| ITF M25 Lajeado | 2023/10/10 23:10 | Eduardo Ribeiro v Mateo Barreiros Reyes | 6-1,6-7,6-4 |
| Challenger Campinas | 2023/10/03 14:55 | Hugo Dellien v Eduardo Ribeiro | 6-1,6-3 |
| Challenger Bogota | 2023/09/27 15:00 | Gustavo Heide v Eduardo Ribeiro | 6-4,6-4 |
| Challenger Bogota | 2023/09/25 18:05 | Eduardo Ribeiro v Hugo Dellien | 6-3,2-6,6-3 |
| Challenger Antofagasta | 2023/09/21 14:30 | Luciano Darderi v Eduardo Ribeiro | 6-3,6-2 |
| Challenger Antofagasta | 2023/09/18 19:00 | Eduardo Ribeiro v Juan C P Angelo | 6-3,6-4 |
| Challenger Santa Cruz | 2023/09/12 01:05 | Francisco Comesana v Eduardo Ribeiro | 6-2,6-4 |
| ITF M15 Sao Paulo | 2023/08/27 14:00 | Eduardo Ribeiro v Daniel Antonio Nunez | 6-4,7-6 |
| ITF M25 Lajeado | 2023/10/10 17:20 | Joao Eduardo Schiessl v Rafael Tosetto | 6-3,4-6,6-4 |
| 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 |
| ITF M15 Sao Paulo | 2023/08/25 18:30 | Eduardo Ribeiro v Joao Eduardo Schiessl | 7-6,6-4 |
| ITF M15 Sao Paulo | 2023/08/24 13:55 | Luis Britto v Joao Eduardo Schiessl | 3-6,3-6 |