Round: 62 Ground: Hardcourt outdoor
| 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 |
| ITF USA F4 | 2018/01/14 13:30 | Gabriel Ciro Da Silva v Dustin Goldenberg | 6-2,6-1 |
| ITF USA F3 Qual | 2018/01/06 16:00 | Alex Hernandez v Gabriel Ciro Da Silva | 6-1,4-6,6-1 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Ighor Halmenschlager Reis v Diego Matos | 2-6,2-6 |
| ITF Brazil F3 | 2018/05/08 13:00 | Pedro Sakamoto v Diego Matos | 6-0,6-2 |
| ITF Brazil F3 | 2018/05/07 12:30 | Aaron Schmid v Diego Matos | 7-6,4-6,4-6 |
| ITF Brazil F3 | 2018/05/06 12:30 | Francisco Llanes v Diego Matos | 1-6,4-6 |
| ITF Nigeria F3 | 2018/04/30 09:00 | Arjun Kadhe v Diego Matos | 6-0,7-6 |
| ITF Nigeria F2 | 2018/04/24 09:00 | Diego Matos v Stephan Gerritsen | 6-3,3-6,4-6 |
| ITF Nigeria F1 | 2018/04/17 12:00 | Danylo Kalenichenko v Diego Matos | 3-6,6-3,6-3 |
| ITF Nigeria F1 | 2018/04/15 09:00 | Christian Paul v Diego Matos | 2-6,5-7 |