| ITF Chile F8 | 2016/12/17 12:00 | Matias Soto v Lima, Renato | 7-6,4-6,6-3 |
| ITF Chile F7 | 2016/12/13 14:00 | Matias Soto v Juan Pablo Paz | 4-6,2-6 |
| ITF Chile F6 | 2016/12/03 14:00 | Leiva Biason, Oscar Mattias v Abde Celis, Jorge | 4-6,3-6 |
| ITF Chile F5 | 2016/11/27 16:00 | Alvarez-Guzman, Mauricio v Leiva Biason, Oscar Mattias | 6-2,6-1 |
| ITF USA F9 Qual | 2016/02/26 13:30 | Nevolo, Dennis v Leiva Biason, Oscar Mattias | 6-1,6-1 |
| ITF USA F8 Qual | 2016/02/19 17:30 | Oliver Crawford v Leiva Biason, Oscar Mattias | 6-2,6-0 |
| ITF USA F7 Qual | 2016/02/12 18:00 | Leiva Biason, Oscar Mattias v Gooch, Damon | 0-6,1-6 |
| ITF Chile F7 | 2015/10/12 13:00 | Leiva Biason, Oscar Mattias v Fleming, David | 0-6,0-6 |
| ITF Bolivia F1 | 2015/09/05 13:00 | Leiva Biason, Oscar Mattias v Fernando Yamacita | 2-6,0-6 |
| ITF Mexico F8 | 2015/06/20 18:30 | Leiva Biason, Oscar Mattias v Hinojosa, Santiago | 3-6,6-7 |