Round: 44 Ground: Hardcourt outdoor
| ITF M15 Quito | 2022/06/15 20:10 | Juan Sebastian Gomez v Christian Oliveira | 6-1,6-3 |
| ITF M15 Quito | 2022/06/06 15:30 | Christian Oliveira v Ezequiel Simonit | 7-6,1-6,6-10 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/06 12:30 | Luis Felipe Miguel v Christian Oliveira | 6-1,6-0 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/05 17:10 | Jose Pereira v Christian Oliveira | 6-3,6-2 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/03 13:30 | Paulo A S Dos Santos v Christian Oliveira | 6-4,6-1 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/04/01 14:00 | Christian Lindell v Christian Oliveira | 3-6,3-5 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/03/31 14:00 | Carlos Eduardo Severino v Christian Oliveira | 6-1,7-6 |
| UTR Pro Tennis Series Rio de Janeiro | 2022/03/29 13:30 | Pedro Cressoni v Christian Oliveira | 6-4,2-6,3-6 |
| ITF M25 Cancun | 2022/05/08 15:00 | Ricardo Reyna v Rodrigo Reyna | 6-7,0-6 |