Round: 62 Ground: Clay
| ITF Mexico F8 | 2015/06/20 18:30 | Oscar Matias Leiva Biason v Santiago Hinojosa | 3-6,6-7 |
| ITF Mexico F7 | 2015/06/13 14:00 | Jose Daniel Bendeck v Oscar Matias Leiva Biason | 6-1,6-2 |
| ITF Mexico F6 | 2015/06/06 14:00 | Oscar Matias Leiva Biason v John Lamble | 1-6,0-6 |
| ITF Mexico F5 | 2015/05/30 15:00 | Oscar Matias Leiva Biason v Pablo Nunez | 6-7,4-6 |
| ITF Chile F5 | 2015/04/18 17:00 | Alejandro Obando v Oscar Matias Leiva Biason | 6-1,7-5 |
| ITF Chile F3 | 2015/04/11 18:00 | Oscar Matias Leiva Biason v Gerardo Irarrazabal | 1-6,0-6 |
| ITF Chile F2 | 2015/02/21 12:00 | Miguel Semmler v Oscar Matias Leiva Biason | 6-1,6-1 |
| ITF Chile F1 | 2015/02/14 12:30 | Oscar Matias Leiva Biason v Cristopher Kohl | 1-6,3-6 |
| ITF Brazil F5 | 2015/08/23 13:00 | Santiago Maresca v Fernando Yamacita | 6-1,6-0 |
| ITF Brazil F5 | 2015/08/22 17:00 | Kevin Borges Pereira v Fernando Yamacita | 4-6,5-7 |