Stadium: CENTRAL Round: 26 Ground: Clay
| ITF Brazil F4 | 2018/05/15 14:10 | Rafael Matos v Enrique Bogo | 6-0,6-1 |
| ITF Brazil F3 | 2018/05/11 15:30 | Tomas Martin Etcheverry v Rafael Matos | 7-6,7-5 |
| ITF Brazil F3 | 2018/05/10 15:30 | Alexandre Tsuchiya v Rafael Matos | 4-6,6-1,1-6 |
| ITF Brazil F3 | 2018/05/08 13:00 | Gonzalo Villanueva v Rafael Matos | 2-6,6-3,3-6 |
| ITF Brazil F2 | 2018/05/06 15:00 | Gonzalo Villanueva v Rafael Matos | 1-6,3-6 |
| ITF Brazil F2 | 2018/05/05 16:00 | Igor Marcondes v Rafael Matos | 4-6,4-6 |
| ITF Brazil F2 | 2018/05/02 22:45 | Andre Miele v Rafael Matos | 3-6,3-6 |
| ITF Brazil F2 | 2018/05/01 16:15 | Augusto Laranja v Rafael Matos | 2-6,7-6,3-6 |
| ITF Brazil F4 | 2018/05/15 14:25 | Gabriel Decamps v Gabriel Ciro Da Silva | 4-6,4-6 |
| ITF Brazil F4 Qual | 2018/05/14 15:30 | Gabriel Ciro Da Silva v Diego Matos | 6-3,6-2 |
| ITF Brazil F3 | 2018/05/07 12:30 | Gabriel Ciro Da Silva v Christian Oliveira | 6-7,4-6 |
| ITF Brazil F2 | 2018/04/29 17:30 | Nicolas Zaidman v Gabriel Ciro Da Silva | 6-3,7-5 |
| ITF USA F6 | 2018/02/01 16:35 | Gabriel Ciro Da Silva v Strong Kirchheimer | 6-7,2-6 |
| ITF USA F6 | 2018/01/31 15:00 | Boris Kozlov v Gabriel Ciro Da Silva | 3-6,7-6,3-6 |
| ITF USA F5 | 2018/01/19 13:00 | Gabriel Ciro Da Silva v Rowland Phillips | 2-6,5-7 |
| ITF USA F4 | 2018/01/14 18:00 | Florian Lakat v Gabriel Ciro Da Silva | 6-1,6-2 |