| ITF Mexico F6 | 06/06 14:00 | - | Oscar Matias Leiva Biason v John Lamble | 1-6,0-6 | |
| ITF Mexico F5 | 05/30 15:00 | - | Oscar Matias Leiva Biason v Pablo Nunez | 6-7,4-6 | |
| ITF Chile F5 | 04/18 17:00 | - | Alejandro Obando v Oscar Matias Leiva Biason | 6-1,7-5 | |
| ITF Chile F3 | 04/11 18:00 | - | Oscar Matias Leiva Biason v Gerardo Irarrazabal | 1-6,0-6 | |
| ITF Chile F2 | 02/21 12:00 | - | Miguel Semmler v Oscar Matias Leiva Biason | 6-1,6-1 | |
| ITF Chile F1 | 02/14 12:30 | - | Oscar Matias Leiva Biason v Cristopher Kohl | 1-6,3-6 | |
| ITF Chile F7 | 11/15 17:00 | - | Oscar Matias Leiva Biason v Lukas Sanchez | 6-4,6-4 | |
| ITF Chile F6 | 10/11 14:30 | - | Esteban Bruna v Oscar Matias Leiva Biason | 6-1,6-1 |