Stadium: Court 2 Round: 45 Ground: Clay
| ITF Chile F3 | 2018/11/27 15:10 | Esteban Bruna v Oscar Gabriel Ortiz | 6-7,6-3,6-1 |
| ITF Chile F3 | 2018/11/26 14:00 | Guido Ivan Justo v Oscar Gabriel Ortiz | 4-6,4-6 |
| ITF Chile F3 | 2018/11/25 15:30 | Oscar Gabriel Ortiz v Cristopher Kohl | 6-4,7-5 |
| ITF Chile F3 | 2018/11/24 15:00 | Oscar Gabriel Ortiz v Oscar Matias Leiva Biason | 6-2,6-4 |
| ITF Chile F2 | 2018/11/18 16:00 | Oscar Gabriel Ortiz v Rodrigo Echavarria | 4-6,3-6 |
| ITF Chile F2 | 2018/11/17 16:00 | Oscar Gabriel Ortiz v Karl W W Mac-Leay | 6-1,6-3 |
| ITF Argentina F9 | 2018/11/13 12:30 | Guido Ivan Justo v Oscar Gabriel Ortiz | 1-6,6-3,6-4 |
| ITF Argentina F8 | 2018/11/04 13:00 | Oscar Gabriel Ortiz v Santiago Besada | 2-6,1-6 |
| ITF Brazil F9 | 2018/11/13 12:00 | Carlos E. Severino v Pedro Gabriel Rodrigues | 6-2,6-2 |
| ITF Brazil F8 | 2018/11/05 16:00 | Christian Lindell v Pedro Gabriel Rodrigues | 6-4,6-3 |
| ITF Brazil F7 | 2018/10/28 15:00 | Pedro Gabriel Rodrigues v Nicolas De Marco | 4-6,6-1,7-5 |
| ITF Brazil F7 | 2018/10/27 14:30 | Pedro Gabriel Rodrigues v Gabriel P Tumasonis | 6-1,6-0 |
| ITF Brazil F6 | 2018/10/23 16:10 | Jose Pereira v Pedro Gabriel Rodrigues | 6-1,6-4 |
| ITF Brazil F6 | 2018/10/22 14:45 | Pedro Gabriel Rodrigues v Rai Vicente de Araujo | 7-6,6-0 |
| ITF Brazil F6 | 2018/10/21 13:00 | Pedro Gabriel Rodrigues v Hugo Moura | 6-3,6-2 |
| ITF Portugal F20 | 2018/10/10 11:00 | Tim Van Der Horst v Pedro Gabriel Rodrigues | 6-3,7-6 |