| UTR Pro Tennis Series Rio de Janeiro | 2022/08/03 13:30 | Breno F Marques v Oliveira, Cristian | 1-6,4-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/08/02 16:18 | Rafael Tosetto v Oliveira, Cristian | 6-4,5-2 |
| ITF M15 Cancun | 2022/07/19 14:00 | Oliveira, Cristian v Jean-Christian Morandais | 6-4,7-6 |
| ITF M15 Cancun | 2022/07/18 14:00 | Oliveira, Cristian v Rodrigo Reyna | 6-4,6-1 |
| ITF M15 Cancun | 2022/07/14 14:00 | Adam Walton v Oliveira, Cristian | 6-1,6-1 |
| ITF M15 Cancun | 2022/07/13 14:00 | Aramburu Contreras, Ivar Jose v Oliveira, Cristian | 0-6,4-6 |
| ITF M15 Quito | 2022/06/15 20:10 | Juan Sebastian Gomez v Oliveira, Cristian | 6-1,6-3 |
| ITF M15 Quito | 2022/06/06 15:30 | Oliveira, Cristian v Ezequiel Simonit | 7-6,1-6,6-10 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/08/02 15:00 | Breno F Marques v Hidalgo, Gabriel Alejandro | 1-6,2-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/08/01 14:30 | Hidalgo, Gabriel Alejandro v Labuckas, Mateo | 6-3,5-4 |
| ITF M15 Aprilia | 2022/07/14 10:30 | Franco Emanuel Egea v Hidalgo, Gabriel Alejandro | 7-5,6-3 |
| ITF M15 Aprilia | 2022/07/12 09:25 | Roberto Miceli v Hidalgo, Gabriel Alejandro | 6-3,4-6,1-6 |
| ITF M25 Den Haag | 2022/06/29 16:10 | Hidalgo, Gabriel Alejandro v Jakob Schnaitter | 5-7,5-7 |
| ITF M15 Kamen | 2022/06/22 14:30 | Hidalgo, Gabriel Alejandro v Battaglino, Stefano | 5-7,0-6 |
| ITF M25 Rosario | 2022/04/07 19:40 | Hidalgo, Gabriel Alejandro v Eduardo Ribeiro | 6-7,3-6 |
| ITF M25 Rosario | 2022/04/06 18:55 | Mariano Navone v Hidalgo, Gabriel Alejandro | 2-6,1-6 |