Round: 62 Ground: Clay
| Challenger - 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 Bolivia F2 | 2018/09/15 13:30 | Matheus P De Almeida v Ernesto Gabriel Mealla | 6-1,6-1 |
| ITF Latvia F1 | 2018/08/01 07:00 | Bogdan Bobrov v Matheus P De Almeida | 7-5,3-6,6-1 |
| ITF Brazil F6 | 2018/10/21 15:30 | Karl W W Mac-Leay v Javier Naser | 7-6,3-6,0-6 |
| ITF Brazil F6 | 2018/10/20 15:30 | Gabriel P Tumasonis v Karl W W Mac-Leay | 3-6,3-6 |
| ITF Peru F2 | 2018/09/29 14:30 | Juan Manuel Lopez v Karl W W Mac-Leay | 2-6,7-6,6-1 |
| ITF Belgium F8 | 2018/08/11 08:00 | Karl W W Mac-Leay v Martin Van Der Meerschen | 2-6,2-6 |
| ITF Belgium F7 Qual | 2018/08/05 08:00 | Karl W W Mac-Leay v Floris Van Den Brink | 1-6,0-6 |
| ITF Belgium F7 Qual | 2018/08/04 07:30 | Karl W W Mac-Leay v Yannick Lenaerts | 6-2,6-1 |
| ITF Belgium F6 Qual | 2018/07/29 08:00 | Alexander Kuerschner v Karl W W Mac-Leay | 6-4,6-1 |
| ITF Belgium F6 Qual | 2018/07/28 07:00 | Kevin Esteves v Karl W W Mac-Leay | 7-6,2-6,3-6 |