Stadium: Court 1 Round: 54 Ground: Clay
| 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 Argentina F5 | 2018/09/09 12:00 | Nicolas Ferrando v Oscar Gabriel Ortiz | 6-1,6-4 |
| ITF Argentina F4 | 2018/09/02 13:00 | Mateo Galdon v Oscar Gabriel Ortiz | 6-3,6-1 |
| ITF Argentina F3 | 2018/05/28 15:30 | Javier Naser v Oscar Gabriel Ortiz | 6-2,4-6,7-6 |
| ITF Argentina F7 | 2018/10/30 20:00 | Santiago Besada v Tomas Farjat | 3-6,4-6 |
| ITF Argentina F7 | 2018/10/29 15:00 | Santiago Besada v Esteban Bruna | 6-3,6-3 |
| ITF Argentina F6 | 2018/09/18 13:00 | Genaro Alberto Olivieri v Santiago Besada | 6-3,6-4 |
| ITF Argentina F6 | 2018/09/17 13:00 | Juan Ignacio Ameal v Santiago Besada | 5-7,2-6 |
| ITF Argentina F6 | 2018/09/16 15:30 | Ignacio Novo v Santiago Besada | 4-6,6-4,0-6 |
| ITF Argentina F5 | 2018/09/12 13:00 | Santiago Besada v Camilo Ugo Carabelli | 0-6,3-6 |
| ITF Argentina F5 | 2018/09/11 14:20 | Santiago Besada v Alejo Vilaro | 6-4,2-6,7-6 |
| ITF Argentina F5 | 2018/09/09 12:00 | Santiago Besada v Lucas Luini | 6-4,3-6,6-1 |