Stadium: CENTRAL Round: 54 Ground: Clay
| Challenger Campinas | 2023/10/01 16:55 | Nusdeo, Joao Marcos v Marcelo Zormann | 3-6,3-6 |
| ITF M25 Lujan | 2023/09/24 17:00 | Franco Lima v Nusdeo, Joao Marcos | 7-5,5-7,10-5 |
| ITF - M15 Punta del Este | 2023/09/21 13:00 | Franco Roncadelli v Nusdeo, Joao Marcos | 6-1,6-2 |
| ITF - M15 Punta del Este | 2023/09/20 13:00 | Nusdeo, Joao Marcos v Gonzalo Zeitune | 6-0,6-0 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/21 16:30 | Nusdeo, Joao Marcos v Jean-Christian Morandais | 4-6,4-6 |
| ITF M15 Belem | 2023/08/17 19:25 | Nusdeo, Joao Marcos v Joao Eduardo Schiessl | 1-6,2-6 |
| ITF M15 Belem | 2023/08/15 17:00 | Nusdeo, Joao Marcos v Gabriel Roveri Sidney | 6-4,2-6,7-5 |
| ITF - M15 Monastir | 2023/07/16 08:00 | Ignasi Forcano v Nusdeo, Joao Marcos | 4-6,7-5,13-11 |
| ITF M25 Lajeado | 2023/10/09 16:00 | Mateo Matulovich v Oliveira, Cristian | 2-6,2-6 |
| ITF M25 Mendoza | 2023/10/02 13:00 | Mateo Barreiros Reyes v Oliveira, Cristian | 4-6,6-4,10-4 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/21 16:30 | Juan Estevez v Oliveira, Cristian | 3-6,7-6,10-8 |
| ITF - M15 Monastir | 2023/07/03 12:30 | Kalman Boyd v Oliveira, Cristian | 6-1,6-1 |
| ITF - M15 Monastir | 2023/07/03 08:30 | Youssef Boubaker v Oliveira, Cristian | 2-6,2-6 |
| ITF - M15 Monastir | 2023/06/25 08:30 | Perego, Giulio v Oliveira, Cristian | 6-1,7-6 |
| ITF - M15 Monastir | 2023/06/19 08:30 | Linghao Zhang v Oliveira, Cristian | 7-5,4-6,10-4 |
| ITF - M15 Monastir | 2023/06/18 08:30 | Omar Knani v Oliveira, Cristian | 3-6,4-6 |