Stadium: Court 4 Round: 62 Ground: Clay
| ITF Dominican Republic F1 | 2018/11/24 16:00 | Gessner, Lucas v Alejandro H Franco | 1-6,2-6 |
| ITF Brazil F9 | 2018/11/11 14:00 | Ono, Vinicius v Gessner, Lucas | 6-4,6-4 |
| ITF Brazil F8 | 2018/11/04 13:00 | Saraiva, Rafael v Gessner, Lucas | 7-6,6-2 |
| ITF Brazil F7 | 2018/10/27 14:30 | Giannella, Joao v Gessner, Lucas | 6-3,6-4 |
| ITF Brazil F6 | 2018/10/20 13:00 | Gessner, Lucas v Giannella, Joao | 4-6,0-6 |
| ITF Brazil F5 | 2018/10/14 14:00 | Assuncao Garla, Felipe v Gessner, Lucas | 6-3,6-1 |
| ITF Portugal F11 Qual | 2018/07/01 15:45 | Salgado, Afonso v Gessner, Lucas | 7-5,6-3 |
| ITF Portugal F10 | 2018/06/23 09:00 | Graziani, Edoardo v Gessner, Lucas | 6-0,6-0 |
| ITF Dominican Republic F2 | 2018/12/01 15:30 | Azevedo Pereira E Oliveira, Bernardo v Segantini Bertoldo, Victor | 6-2,6-4 |
| ITF Dominican Republic F1 | 2018/11/25 15:00 | Richmond, John Harrison v Azevedo Pereira E Oliveira, Bernardo | 5-7,6-7 |
| ITF Dominican Republic F1 | 2018/11/24 16:00 | Santamaria, Felipe v Azevedo Pereira E Oliveira, Bernardo | 4-6,2-6 |
| ITF Brazil F9 | 2018/11/12 15:10 | Azevedo Pereira E Oliveira, Bernardo v Zarichanskiy, D. | 6-7,0-6 |
| ITF Brazil F8 | 2018/11/04 15:30 | Costa, Fabio v Azevedo Pereira E Oliveira, Bernardo | 6-3,6-1 |
| 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 |