Stadium: Court 2 Round: 44 Ground: Clay
| 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 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 Chile F2 | 2018/11/20 18:25 | Arklon H D Pino v Cristopher Kohl | 6-4,6-0 |
| ITF Chile F2 | 2018/11/18 16:00 | Guido Ivan Justo v Cristopher Kohl | 6-3,4-6,3-6 |
| ITF Chile F1 | 2018/11/12 16:00 | Cristopher Kohl v Mirko Martinez | 6-7,0-6 |
| ITF Peru F2 | 2018/09/30 15:30 | Cristopher Kohl v Nicolas Acevedo | 2-6,2-6 |
| ITF Peru F1 | 2018/09/22 14:30 | Cristopher Kohl v Alan Postay | 1-6,1-6 |
| ITF Argentina F6 | 2018/09/15 14:00 | Leonardo Aboian v Cristopher Kohl | 4-6,6-2,6-0 |
| ITF Argentina F5 | 2018/09/09 12:00 | Cristopher Kohl v Luciano Tacchi | 3-6,3-6 |
| ITF Argentina F5 | 2018/09/08 12:00 | Cristopher Kohl v Andre Ku Meza | 6-1,6-0 |