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