Round: 62 Ground: Hardcourt outdoor
| ITF Brazil F3 | 2018/05/07 12:30 | Da Silva, Gabriel Ciro v Oliveira, Cristian | 6-7,4-6 |
| ITF Brazil F2 | 2018/04/29 17:30 | Zaidman, Nicolas v Da Silva, Gabriel Ciro | 6-3,7-5 |
| ITF USA F6 | 2018/02/01 16:35 | Da Silva, Gabriel Ciro v Strong Kirchheimer | 6-7,2-6 |
| ITF USA F6 | 2018/01/31 15:00 | Boris Kozlov v Da Silva, Gabriel Ciro | 3-6,7-6,3-6 |
| ITF USA F5 | 2018/01/19 13:00 | Da Silva, Gabriel Ciro v Rowland Phillips | 2-6,5-7 |
| ITF USA F4 | 2018/01/14 18:00 | Lakat, Florian v Da Silva, Gabriel Ciro | 6-1,6-2 |
| ITF USA F4 | 2018/01/14 13:30 | Da Silva, Gabriel Ciro v Goldenberg, Dustin | 6-2,6-1 |
| ITF USA F3 Qual | 2018/01/06 16:00 | Alex Hernandez v Da Silva, Gabriel Ciro | 6-1,4-6,6-1 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Halmenschlager Reis, Ighor v Matos, Diego | 2-6,2-6 |
| ITF Brazil F3 | 2018/05/08 13:00 | Pedro Sakamoto v Matos, Diego | 6-0,6-2 |
| ITF Brazil F3 | 2018/05/07 12:30 | Schmid, Aaron v Matos, Diego | 7-6,4-6,4-6 |
| ITF Brazil F3 | 2018/05/06 12:30 | Llanes, Francisco v Matos, Diego | 1-6,4-6 |
| ITF Nigeria F3 | 2018/04/30 09:00 | Arjun Kadhe v Matos, Diego | 6-0,7-6 |
| Nigeria F2, Singles | 2018/04/24 09:00 | Matos, Diego v Gerritsen, Stephan | 6-3,3-6,4-6 |
| Nigeria F1, Singles | 2018/04/17 12:00 | Kalenichenko, Danylo v Matos, Diego | 3-6,6-3,6-3 |
| Nigeria F1, Singles | 2018/04/15 09:00 | Paul, Christian v Matos, Diego | 2-6,5-7 |