Stadium: Court 1 Round: 26 Ground: Clay
| ITF Chile F3 | 2018/11/26 17:35 | Nicolas Bruna v Montero, Jorge | 4-6,4-6 |
| ITF Chile F2 | 2018/11/21 16:00 | Montero, Jorge v Zukas, Matias | 1-6,1-6 |
| ITF Chile F2 | 2018/11/19 16:30 | Castro, Cristobal v Montero, Jorge | 4-6,2-6 |
| ITF Chile F1 | 2018/11/14 19:35 | Montero, Jorge v Martinez, Mirko | 4-6,6-7 |
| Challenger Campinas | 2018/09/30 15:30 | Montero, Jorge v Miele, Andre | 4-6,6-3,3-6 |
| ITF Spain F28 | 2018/09/18 11:00 | Montero, Jorge v Pol Martin Tiffon | 3-6,6-3,2-6 |
| Challenger Szczecin | 2018/09/09 09:00 | Montero, Jorge v Arguello, Facundo | 6-2,3-6,2-6 |
| Challenger Szczecin Qual | 2018/09/08 09:00 | Uzhylovsky, Vladimir v Montero, Jorge | 2-6,0-6 |
| ITF Chile F3 | 2018/11/26 15:30 | Huertas Del Pino Cordova, Arklon v Pena Lopez, Manuel | 2-6,4-6 |
| ITF Chile F2 | 2018/11/19 21:20 | Pena Lopez, Manuel v Alejandro Tabilo | 7-6,6-7,3-6 |
| Challenger - Buenos Aires | 2018/11/12 14:00 | Pena Lopez, Manuel v Gonzalo Villanueva | 3-6,6-3,1-6 |
| Challenger - Buenos Aires | 2018/11/11 23:25 | Carlos Taberner v Pena Lopez, Manuel | 1-6,1-6 |
| Challenger - Buenos Aires | 2018/11/11 16:45 | Pena Lopez, Manuel v Tomas Martin Etcheverry | 6-3,3-6,7-6 |
| ITF Argentina F8 | 2018/11/07 17:00 | Pena Lopez, Manuel v Facundo Mena | 4-6,4-6 |
| ITF Argentina F8 | 2018/11/06 13:00 | Pena Lopez, Manuel v Alejo Lorenzo Lingua Lavallen | 6-3,6-3 |
| ITF Argentina F7 | 2018/11/03 19:00 | Hernan Casanova v Pena Lopez, Manuel | 6-4,7-5 |