| ITF M25 Campos do Jordao | 2022/02/03 14:30 | Christian Oliveira v Lorenzo Esquici | 6-4,6-3 |
| ITF M15 Brasilia | 2021/11/04 12:55 | Wilson Leite v Christian Oliveira | 6-7,2-6 |
| ITF M15 Brasilia | 2021/11/02 15:00 | Iago Almeida v Christian Oliveira | 2-6,4-6 |
| ITF M25 Rio do Sul | 2021/10/19 13:55 | Franco Roncadelli v Christian Oliveira | 6-1,6-1 |
| ITF M15 Recife | 2021/09/22 13:00 | Christian Oliveira v Oscar Jose Gutierrez | 3-6,0-6 |
| ITF M15 Sao Paulo | 2019/10/16 14:00 | Conner Huertas Del Pino v Christian Oliveira | 6-3,6-3 |
| ITF M15 Sao Paulo | 2019/10/15 16:45 | Christian Oliveira v Gaston Erhardt | 7-6,6-3 |
| ITF M25 Rio de Janeiro | 2019/10/11 15:35 | Christian Oliveira v Felipe Meligeni Rodrigues Alves | 2-6,4-6 |