Stadium: Quadra P.A. Round: 54 Ground: Clay
| ITF M15 Sao JDR Preto | 2019/06/17 16:00 | Leiva Biason, Oscar Matias v Рикельме Коппари, Агустин | 3-6,5-7 |
| ITF M15 Bucaramanga | 2019/04/22 20:30 | Leiva Biason, Oscar Matias v Жуан М Нусдео | 2-6,6-7 |
| ITF M15 Guayaquil | 2019/04/15 15:00 | Leiva Biason, Oscar Matias v Жуан М Нусдео | 4-6,2-6 |
| ITF Chile F3 | 2018/11/24 15:00 | Оскар Габриэль Ортис v Leiva Biason, Oscar Matias | 6-2,6-4 |
| ITF Chile F2 | 2018/11/17 16:00 | Leiva Biason, Oscar Matias v Матео Берне | 6-3,3-6,3-6 |
| ITF Chile F1 | 2018/11/12 13:00 | Leiva Biason, Oscar Matias v Федерико Хуан Акилар | 1-6,3-6 |
| Belgium F7, Singles Qualifying | 2018/08/05 08:00 | Mertens, Nico v Leiva Biason, Oscar Matias | 6-1,6-0 |
| Belgium F7, Singles Qualifying | 2018/08/04 07:30 | Leiva Biason, Oscar Matias v Velasquez Meza, Javier Alonso | 6-0,6-0 |
| ITF Dominican Republic F3 | 2018/12/09 14:00 | Франко Фейтт v Azevedo Pereira E Oliveira, Bernardo | 6-3,6-3 |
| ITF Dominican Republic F2 | 2018/12/02 15:00 | Gessner, Lucas v Azevedo Pereira E Oliveira, Bernardo | 2-6,6-2,7-5 |
| ITF Dominican Republic F2 | 2018/12/01 15:30 | Azevedo Pereira E Oliveira, Bernardo v Виктор Сегантини Бертольдо | 6-2,6-4 |
| ITF Dominican Republic F1 | 2018/11/25 15:00 | Джон Харрисон Ричмонд v Azevedo Pereira E Oliveira, Bernardo | 5-7,6-7 |
| ITF Dominican Republic F1 | 2018/11/24 16:00 | Фелипе Сантамария v Azevedo Pereira E Oliveira, Bernardo | 4-6,2-6 |
| ITF Brazil F9 | 2018/11/12 15:10 | Azevedo Pereira E Oliveira, Bernardo v Заричанский, Даниил | 6-7,0-6 |
| ITF Brazil F8 | 2018/11/04 15:30 | Costa, Fabio v Azevedo Pereira E Oliveira, Bernardo | 6-3,6-1 |
| ITF Brazil F8 | 2018/11/03 16:30 | Azevedo Pereira E Oliveira, Bernardo v Tiepermann Pereira, Eber Faria | 6-1,6-0 |