Stadium: Court 3 Round: 25 Ground: Clay
| ITF Brazil F8 | 2018/11/09 14:30 | Oscar Jose Gutierrez v Rafael Matos | 6-4,4-6,2-6 |
| ITF Brazil F8 | 2018/11/08 14:30 | Luis Britto v Rafael Matos | 0-6,1-6 |
| ITF Brazil F8 | 2018/11/06 14:55 | Leonardo S Frederico v Rafael Matos | 2-6,1-6 |
| ITF Brazil F7 | 2018/11/01 15:50 | Rafael Matos v Facundo Mena | 6-4,3-6,1-6 |
| ITF Brazil F7 | 2018/10/30 14:35 | Rafael Matos v Mateus Alves | 6-4,1-6,6-3 |
| ITF Brazil F6 | 2018/10/23 14:00 | Ignacio Carou v Rafael Matos | 6-4,2-6,7-6 |
| ITF Brazil F5 | 2018/10/20 15:00 | Rafael Matos v Daniel Dutra Da Silva | 3-6,1-6 |
| ITF Brazil F5 | 2018/10/19 13:00 | Oscar Jose Gutierrez v Rafael Matos | 3-6,6-7 |
| ITF Brazil F9 | 2018/11/12 13:35 | Gabriel P Tumasonis v Lucas Bernardo | 6-4,6-1 |
| ITF Brazil F8 | 2018/11/04 15:30 | Gabriel P Tumasonis v Joao Hinsching | 4-6,2-6 |
| ITF Brazil F8 | 2018/11/03 16:30 | Gabriel P Tumasonis v Hugo Moura | 6-2,6-4 |
| ITF Brazil F7 | 2018/10/27 14:30 | Pedro Gabriel Rodrigues v Gabriel P Tumasonis | 6-1,6-0 |
| ITF Brazil F6 | 2018/10/20 15:30 | Gabriel P Tumasonis v Karl W W Mac-Leay | 3-6,3-6 |
| ITF Brazil F5 | 2018/10/15 14:00 | Joao Hinsching v Gabriel P Tumasonis | 6-0,6-2 |
| ITF Brazil F5 | 2018/10/14 13:00 | Victor Bertoldo v Gabriel P Tumasonis | 1-6,0-6 |
| ITF Spain F29 | 2018/09/23 07:00 | Gabriel P Tumasonis v Max Alcala Gurri | 1-6,3-6 |