Stadium: Quadra 1 Round: 25 Ground: Clay
| ITF M15 Buenos Aires | 2019/09/15 12:00 | Mateo Berne v Christian Oliveira | 6-4,6-1 |
| ITF M15 Lambare | 2019/08/21 15:30 | Gonzalo Villanueva v Christian Oliveira | 6-1,7-6 |
| ITF M15 Lambare | 2019/08/20 14:00 | Christian Oliveira v Bruno Britez | 6-4,7-6 |
| ITF M15 Lambare | 2019/08/19 14:00 | Christian Oliveira v Vicente M R Maturana | 6-2,7-5 |
| ITF M15 Curitiba | 2019/06/27 19:40 | Christian Oliveira v Juan Pablo Ficovich | 1-6,2-6 |
| ITF M15 Curitiba | 2019/06/25 19:55 | Christian Oliveira v Aaron Schmid | 6-2,6-3 |
| ITF M15 Sao JDR Preto | 2019/06/21 15:40 | Juan Pablo Ficovich v Christian Oliveira | 6-1,6-1 |
| ITF M15 Sao JDR Preto | 2019/06/20 16:55 | Christian Oliveira v Maximiliano Estevez | 6-3,7-5 |
| ITF M15 Santa Tecla | 2019/10/05 00:30 | Jorge Panta v Mauricio Echazu | 6-1,6-2 |
| ITF M15 Santa Tecla | 2019/10/03 18:00 | Justin Butsch v Mauricio Echazu | 6-7,4-6 |
| ITF M15 Santa Tecla | 2019/10/02 15:00 | Alejandro Licea v Mauricio Echazu | 1-6,2-6 |
| ITF M15 Santa Tecla | 2019/10/01 15:00 | Nicholas Shamma v Mauricio Echazu | 0-6,0-6 |
| ITF M15 Cancun | 2019/09/29 14:00 | Jorge Panta v Mauricio Echazu | 2-6,6-2,6-3 |
| ITF M15 Cancun | 2019/09/27 14:00 | Felipe Mantilla v Mauricio Echazu | 5-7,0-6 |
| ITF M15 Cancun | 2019/09/26 14:30 | Julian Bradley v Mauricio Echazu | 2-6,4-6 |
| ITF M15 Cancun | 2019/09/25 15:00 | Emmett Ward v Mauricio Echazu | 2-6,2-6 |