Round: 44 Ground: Clay
| 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 | 2017/11/26 13:00 | Gabriel Ciro Da Silva v Igor Gimenez | 4-6,6-3,3-6 |
| ITF Brazil F3 | 2018/05/06 12:30 | Nicolas Zaidman v Christian Oliveira | 3-6,6-7 |
| ITF Brazil F2 | 2018/04/28 17:30 | Pedro F Maciel v Christian Oliveira | 6-4,6-2 |
| ITF Brazil F1 | 2018/04/23 14:00 | Christian Oliveira v Gonzalo Villanueva | 7-5,3-6,0-6 |
| ITF Turkey F14 | 2018/04/08 07:30 | Milan Drinic v Christian Oliveira | 4-6,7-5,6-1 |
| ITF Turkey F14 | 2018/04/07 09:30 | Christian Oliveira v Phongsapak Kerdlaphee | 6-0,6-1 |
| ITF Turkey F13 | 2018/04/04 09:00 | Christian Oliveira v Jaroslav Pospisil | 6-3,0-6,1-6 |
| ITF Turkey F13 | 2018/04/02 07:00 | Christian Oliveira v Maxence Broville | 7-5,6-7,6-4 |
| ITF Turkey F13 | 2018/04/01 08:30 | Marcelo Zormann v Christian Oliveira | 3-6,5-7 |