Stadium: Court 1 Round: 26 Ground: Clay
| Challenger Campinas | 2018/09/30 15:30 | Jorge Montero v Andre Miele | 4-6,6-3,3-6 |
| ITF Spain F28 | 2018/09/18 11:00 | Jorge Montero v Pol Martin Tiffon | 3-6,6-3,2-6 |
| Challenger Szczecin | 2018/09/09 09:00 | Jorge Montero v Facundo Arguello | 6-2,3-6,2-6 |
| Challenger Szczecin Qual | 2018/09/08 09:00 | Volodymyr Uzhylovskyi v Jorge Montero | 2-6,0-6 |
| Challenger Seville | 2018/09/01 17:40 | David Perez Sanz v Jorge Montero | 6-7,7-6,6-3 |
| ITF USA F22 Qual | 2018/08/06 14:35 | Jorge Montero v Alex Blumenberg | 4-6,3-6 |
| ITF USA F22 Qual | 2018/08/05 13:30 | Jorge Montero v Yang Liu | 6-2,6-0 |
| ITF Ecuador F2 Qual | 2018/07/30 15:00 | Joseph W. Van Meter v Jorge Montero | 6-1,3-6,6-4 |
| ITF Argentina F8 | 2018/11/07 17:00 | Manuel Pena Lopez v Facundo Mena | 4-6,4-6 |
| ITF Argentina F8 | 2018/11/06 13:00 | Manuel Pena Lopez v Alejo Lorenzo Lingua Lavallen | 6-3,6-3 |
| ITF Argentina F7 | 2018/11/03 19:00 | Hernan Casanova v Manuel Pena Lopez | 6-4,7-5 |
| ITF Argentina F7 | 2018/11/02 18:30 | Manuel Pena Lopez v Maximiliano Estevez | 2-6,6-1,6-3 |
| ITF Argentina F7 | 2018/10/31 19:00 | Gabriel Alejandro Hidalgo v Manuel Pena Lopez | 6-4,3-6,1-6 |
| ITF Argentina F7 | 2018/10/30 18:25 | Ezequiel A Santalla v Manuel Pena Lopez | 3-6,3-6 |
| Challenger Lima | 2018/10/22 15:00 | Manuel Pena Lopez v Cristian Rodriguez | 6-3,4-6,4-6 |
| Challenger Lima | 2018/10/21 16:40 | Mauricio Echazu v Manuel Pena Lopez | 4-6,2-6 |