Stadium: Quadra 6 Round: 54 Ground: Clay
| Sao Jose Do Rio Preto, Singles M-ITF-BRA-03A | 2019/06/17 16:00 | Enrique Bogo v Oliveira, Cristian | 4-6,4-6 |
| ITF M15 Reus | 2019/04/08 08:30 | Oliveira, Cristian v Georgii Kravchenko | 2-6,6-7 |
| ITF - M15 Antalya | 2019/03/18 07:15 | Mircea-Alexandru Jecan v Oliveira, Cristian | 6-4,6-2 |
| ITF Brazil F6 | 2018/10/23 14:00 | Francisco Cerundolo v Oliveira, Cristian | 6-3,6-2 |
| ITF Brazil F6 | 2018/10/22 13:00 | Juan Manuel Cerundolo v Oliveira, Cristian | 1-6,5-7 |
| ITF Brazil F6 | 2018/10/21 15:30 | Mateo Barreiros Reyes v Oliveira, Cristian | 6-7,5-7 |
| ITF Brazil F5 | 2018/10/15 16:30 | Daniel Dutra Da Silva v Oliveira, Cristian | 6-4,6-2 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Eduardo Ribeiro v Oliveira, Cristian | 7-6,6-0 |
| Sao Jose Do Rio Preto, Singles M-ITF-BRA-03A | 2019/06/17 16:00 | Taiguara, Eduardo v Skierkier, Boruch | 3-6,3-6 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/05/08 14:50 | Skierkier, Boruch v Ignacio Carou | 6-2,4-6,2-6 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2019/04/29 12:00 | Skierkier, Boruch v Bruna, Esteban | 4-6,3-6 |
| ITF M15 Guayaquil | 2019/04/16 15:35 | March, Antonio Cayetano v Skierkier, Boruch | 6-2,6-2 |
| Pinamar, Singles Qualifying M-ITF-ARG-03A | 2019/04/02 12:30 | Skierkier, Boruch v Bruna, Esteban | 5-7,3-6 |
| Pinamar, Singles Qualifying M-ITF-ARG-03A | 2019/04/01 13:00 | Besada, Santiago v Skierkier, Boruch | 5-7,3-6 |
| Pinamar, Singles Qualifying M-ITF-ARG-03A | 2019/03/19 12:30 | Skierkier, Boruch v Bruna, Esteban | 4-6,2-6 |
| Pinamar, Singles Qualifying M-ITF-ARG-03A | 2019/03/18 12:30 | Vilaro, Alejo v Skierkier, Boruch | 6-7,6-4,7-10 |