Stadium: Court 3 Round: 44 Ground: Clay
| ITF Brazil F7 | 2018/10/28 15:00 | Costa, Fabio v Okano, Joao Pedro | 6-3,3-6,5-7 |
| ITF Brazil F4 Qual | 2018/05/14 13:00 | Costa, Fabio v Mateo Barreiros Reyes | 4-6,2-6 |
| ITF Brazil F3 | 2018/05/06 12:30 | Costa, Fabio v Muzzi, Felipe | 6-4,7-6 |
| ITF Brazil F2 | 2018/04/29 15:00 | Francisco Comesana v Costa, Fabio | 7-6,6-1 |
| ITF Brazil F1 | 2018/04/22 15:30 | Bendazoli, Gabriel v Costa, Fabio | 6-2,6-3 |
| ITF USA F6 | 2018/01/28 15:00 | Belov, Sergey v Costa, Fabio | 6-4,6-4 |
| ITF USA F6 | 2018/01/27 17:30 | Bencic, Brian v Costa, Fabio | 2-6,3-6 |
| ITF USA F5 | 2018/01/19 16:00 | Fainblum, Daniel v Costa, Fabio | 6-4,6-2 |
| ITF Brazil F8 | 2018/11/03 16:30 | Azevedo Pereira E Oliveira, Bernardo v Tiepermann Pereira, Eber Faria | 6-1,6-0 |
| ITF Brazil F6 | 2018/10/20 13:00 | Azevedo Pereira E Oliveira, Bernardo v Araujo, Rai Vicente de | 7-6,3-6,4-6 |
| ITF Tunisia F35 | 2018/10/09 08:30 | Azevedo Pereira E Oliveira, Bernardo v Remy Bertola | 3-6,4-6 |
| ITF Tunisia F33 | 2018/09/23 09:30 | Desyatnik, Anton v Azevedo Pereira E Oliveira, Bernardo | 6-1,6-4 |
| ITF Tunisia F32 | 2018/09/19 12:00 | Tabrizi, Keivon v Azevedo Pereira E Oliveira, Bernardo | 4-6,6-4,7-6 |
| ITF Tunisia F32 | 2018/09/17 09:30 | Rossi, Mattia v Azevedo Pereira E Oliveira, Bernardo | 2-6,3-6 |
| ITF Tunisia F31 | 2018/09/08 08:30 | Ben Hassen, Ameur v Azevedo Pereira E Oliveira, Bernardo | 6-2,6-4 |
| ITF Portugal F16 | 2018/08/19 08:30 | Azevedo Pereira E Oliveira, Bernardo v Matos, Diego | 1-6,4-6 |