Stadium: Court 11 Round: 44 Ground: Clay
| ITF M25 Lima | 2020/02/03 15:00 | Miljan Zekic v Oscar Matias Leiva Biason | 6-2,6-0 |
| ITF M25 Lima | 2020/02/02 18:00 | Oscar Matias Leiva Biason v Agustin Riquelme Coppari | 6-2,2-6,10-6 |
| ITF M15 Cancun | 2019/12/08 14:00 | Oscar Matias Leiva Biason v Javier Gonzalez | 4-6,1-6 |
| ITF M15 Cancun | 2019/12/01 19:00 | Oscar Matias Leiva Biason v Jordan Benjamin | 3-6,1-6 |
| ITF M15 Santiago | 2019/09/30 14:00 | Santiago Besada v Oscar Matias Leiva Biason | 6-4,6-4 |
| ITF M15 Buenos Aires | 2019/09/15 17:00 | Mariano Navone v Oscar Matias Leiva Biason | 6-1,6-1 |
| ITF M25 Lima | 2019/07/15 15:00 | Daniel Antonio Nunez v Oscar Matias Leiva Biason | 6-4,6-3 |
| ITF M15 Lima | 2019/07/09 14:00 | Oscar Matias Leiva Biason v Agustin Maria Gascia | 4-6,3-6 |
| ITF M25 Lima | 2020/02/02 18:00 | Bautista Vilicich v Alejandro Mendoza | 6-4,5-7,3-10 |
| ITF M15 Maldonado | 2019/11/28 13:00 | Bautista Vilicich v Gabriel Alejandro Hidalgo | 4-6,3-6 |
| ITF M15 Maldonado | 2019/11/27 12:00 | Oleg Khotkov v Bautista Vilicich | 6-7,4-6 |
| ITF M15 Maldonado | 2019/11/26 12:00 | Alan Postay v Bautista Vilicich | 6-4,3-6,5-10 |
| ITF M15 Junin | 2019/10/23 12:00 | Bautista Vilicich v Juan Manuel Cerundolo | 3-6,1-6 |
| ITF M15 Junin | 2019/10/21 12:00 | Bautista Vilicich v Ezequiel Simonit | 6-3,2-6,10-5 |