Stadium: Jaime Oncins Round: 26 Ground: Clay
| ITF Brazil F8 | 2018/11/06 17:55 | Oscar Jose Gutierrez v Fermin Tenti | 4-6,6-4,7-6 |
| ITF Brazil F7 | 2018/10/29 16:05 | Oscar Jose Gutierrez v Severino, Carlos Eduardo | 6-2,3-6,4-6 |
| ITF Brazil F6 | 2018/10/23 18:00 | Oscar Jose Gutierrez v Ignacio Monzon | 4-6,4-6 |
| ITF Brazil F5 | 2018/10/19 13:00 | Oscar Jose Gutierrez v Matos, Rafael | 3-6,6-7 |
| ITF Brazil F5 | 2018/10/18 13:00 | Oscar Jose Gutierrez v Severino, Carlos Eduardo | 6-3,6-1 |
| ITF Brazil F5 | 2018/10/15 22:00 | Oscar Jose Gutierrez v Ignacio Carou | 6-4,7-5 |
| Challenger Campinas | 2018/10/01 13:00 | Oscar Jose Gutierrez v Nicolas Alvarez | 3-6,5-7 |
| Challenger Campinas | 2018/09/30 13:00 | Oscar Jose Gutierrez v Lipovsek Puches, Tomas | 6-7,6-3,6-2 |
| ITF Brazil F8 | 2018/11/05 21:20 | Nusdeo, Joao Marcos v Marques Da Silva, Rafael | 3-6,3-6 |
| ITF Brazil F2 | 2018/04/30 22:55 | Joao Lucas Reis da Silva v Marques Da Silva, Rafael | 6-4,6-1 |
| ITF Brazil F3 | 2017/11/18 13:30 | Marques Da Silva, Rafael v Arkhipov, Petr | 2-6,6-2,6-7 |