Round: 62 Ground: Clay
| ITF Brasil F7 | 2018/10/28 15:00 | Matheus P De Almeida v Victor Pilla Helal Lopes De Oliveira | 6-0,7-6 |
| ITF Brasil F7 | 2018/10/27 12:00 | Matheus P De Almeida v Karl W W Mac-Leay | 6-2,6-1 |
| Challenger de Campinas | 2018/10/01 16:35 | Matheus P De Almeida v Andrea Collarini | 1-6,6-7 |
| ITF Bolivia F2 | 2018/09/20 20:30 | Matias Franco Descotte v Matheus P De Almeida | 6-3,6-2 |
| ITF Bolivia F2 | 2018/09/19 20:00 | Matheus P De Almeida v Franco Capalbo | 6-4,6-3 |
| ITF Bolivia F2 | 2018/09/18 23:30 | Matheus P De Almeida v Agustin E C Lorberg | 6-2,6-2 |
| ITF Bolivia F2 | 2018/09/17 18:00 | Matheus P De Almeida v Lautaro Agustin Falabella | 6-2,6-0 |
| ITF Bolivia F2 | 2018/09/16 14:00 | Matheus P De Almeida v Nicolas F Vina | 6-4,6-3 |
| ITF Brasil F7 | 2018/10/27 12:00 | Rai Vicente de Araujo v Gustavo Heide | 4-6,4-6 |