Stadium: Court 4 Round: 44 Ground: Clay
| 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 Argentina F8 | 2018/11/03 13:00 | Aliaksandr Bulitski v Oscar Gabriel Ortiz | 6-2,1-6,3-6 |
| ITF Argentina F7 | 2018/10/30 17:00 | Oscar Gabriel Ortiz v Juan Manuel Cerundolo | 6-3,2-6,1-6 |
| ITF Argentina F7 | 2018/10/29 17:30 | Oscar Gabriel Ortiz v Ramiro Pioli Tizon | 1-6,6-4,6-1 |
| ITF Argentina F7 | 2018/10/28 15:30 | Francisco Comesana v Oscar Gabriel Ortiz | 4-6,3-6 |
| ITF Argentina F6 | 2018/09/18 13:00 | Oscar Gabriel Ortiz v Camilo Ugo Carabelli | 2-6,4-6 |
| ITF Chile F1 | 2018/11/13 14:00 | Rodrigo Echavarria v Michel Vernier | 4-6,4-6 |
| ITF Bolivia F3 | 2018/09/27 14:00 | Matias Zukas v Rodrigo Echavarria | 6-0,6-3 |
| ITF Bolivia F3 | 2018/09/25 14:00 | Rodrigo Echavarria v Gabriel M Nolasco Pozo | 6-4,6-3 |
| ITF Bolivia F3 | 2018/09/24 13:00 | Rodrigo Echavarria v Alex Blumenberg | 2-6,7-6,6-4 |
| ITF Bolivia F3 | 2018/09/23 14:00 | Rodrigo Echavarria v Gabriel Alejandro Bernal | 6-2,6-4 |
| ITF Bolivia F2 | 2018/09/18 19:00 | Rodrigo Echavarria v Conner Huertas Del Pino | 3-6,3-6 |
| ITF Bolivia F2 | 2018/09/17 21:00 | Daniel Mora v Rodrigo Echavarria | 2-6,0-6 |
| ITF Colombia F5 | 2016/10/10 17:00 | Mauricio A-Guzman v Rodrigo Echavarria | 6-2,5-7,6-2 |