Stadium: CENTRAL Round: 27 Ground: Clay
| ITF Brazil F3 | 2017/11/21 13:00 | Joao Lucas Reis da Silva v Matos, Rafael | 6-0,0-6,7-6 |
| ITF Brazil F4 | 2018/05/17 15:00 | Matos, Rafael v Da Silva, Gabriel Ciro | 6-2,6-1 |
| ITF Brazil F4 | 2018/05/15 14:10 | Matos, Rafael v Enrique Bogo | 6-0,6-1 |
| ITF Brazil F3 | 2018/05/11 15:30 | Tomas Martin Etcheverry v Matos, Rafael | 7-6,7-5 |
| ITF Brazil F3 | 2018/05/10 15:30 | Tsuchiya, Alexandre v Matos, Rafael | 4-6,6-1,1-6 |
| ITF Brazil F3 | 2018/05/08 13:00 | Gonzalo Villanueva v Matos, Rafael | 2-6,6-3,3-6 |
| ITF Brazil F2 | 2018/05/06 15:00 | Gonzalo Villanueva v Matos, Rafael | 1-6,3-6 |
| ITF Brazil F2 | 2018/05/05 16:00 | Ribeiro Marcondes, Igor v Matos, Rafael | 4-6,4-6 |
| ITF Brazil F2 | 2018/05/02 22:45 | Miele, Andre v Matos, Rafael | 3-6,3-6 |
| ITF Brazil F4 | 2018/05/17 16:25 | Joao Lucas Reis da Silva v Lindell, Christian | 6-0,6-3 |
| ITF Brazil F4 | 2018/05/15 15:25 | Lima, Enrico Dos Santos v Joao Lucas Reis da Silva | 1-6,1-6 |
| ITF Brazil F2 | 2018/05/02 18:10 | Oscar Jose Gutierrez v Joao Lucas Reis da Silva | 6-4,6-3 |
| ITF Brazil F2 | 2018/04/30 22:55 | Joao Lucas Reis da Silva v Marques Da Silva, Rafael | 6-4,6-1 |
| ITF Brazil F1 | 2018/04/27 15:30 | Daniel Dutra Da Silva v Joao Lucas Reis da Silva | 6-4,6-2 |
| ITF Brazil F1 | 2018/04/26 17:10 | Joao Lucas Reis da Silva v Jose Pereira | 6-4,6-1 |
| ITF Brazil F1 | 2018/04/24 18:10 | Hinsching, Joao v Joao Lucas Reis da Silva | 3-6,5-7 |
| ITF Brazil F3 | 2017/11/25 15:00 | Joao Lucas Reis da Silva v Saraiva, Bernardo | 1-6,0-6 |