Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF Dominican Republic F3 | 2018/12/08 15:00 | Ruben Konings v Lucas Gessner | 6-2,6-3 |
| ITF Dominican Republic F2 | 2018/12/03 13:00 | Lucas Gessner v Joao Hinsching | 2-6,4-6 |
| ITF Dominican Republic F2 | 2018/12/02 15:00 | Lucas Gessner v Bernardo A P E Oliveira | 2-6,6-2,7-5 |
| ITF Dominican Republic F1 | 2018/11/24 16:00 | Lucas Gessner v Alejandro H Franco | 1-6,2-6 |
| ITF Brazil F9 | 2018/11/11 14:00 | Vinicius Ono v Lucas Gessner | 6-4,6-4 |
| ITF Brazil F8 | 2018/11/04 13:00 | Rafael Saraiva v Lucas Gessner | 7-6,6-2 |
| ITF Brazil F7 | 2018/10/27 14:30 | Joao Giannella v Lucas Gessner | 6-3,6-4 |
| ITF Brazil F6 | 2018/10/20 13:00 | Lucas Gessner v Joao Giannella | 4-6,0-6 |
| ITF Brazil F9 | 2018/11/14 13:30 | Eduardo Ribeiro v Joao Lucas Reis da Silva | 1-6,1-6 |
| ITF Brazil F9 | 2018/11/12 16:05 | Eduardo Ribeiro v Fabio Costa | 7-6,6-2 |
| ITF Brazil F8 | 2018/11/07 14:30 | Jose Pereira v Eduardo Ribeiro | 6-1,6-2 |
| ITF Brazil F8 | 2018/11/05 18:00 | Daniil Zarichanskiy v Eduardo Ribeiro | 7-5,2-6,2-6 |
| ITF Brazil F6 | 2018/10/25 17:00 | Eduardo Ribeiro v Daniel Dutra Da Silva | 3-6,4-6 |
| ITF Brazil F6 | 2018/10/23 17:00 | Felipe Garla v Eduardo Ribeiro | 4-6,4-6 |
| ITF Brazil F6 | 2018/10/22 14:20 | Eduardo Ribeiro v Joao Hinsching | 6-1,6-2 |
| ITF Brazil F6 | 2018/10/21 15:30 | Eduardo Ribeiro v Gabriel De Andrade Bendazoli | 7-6,6-3 |