Round: 44 Ground: Clay
| Challenger Campinas | 2018/09/30 16:45 | Emilio Gomez v Felipe Garla | 6-4,6-4 |
| Challenger Campinas Qual | 2018/09/29 16:35 | Felipe Garla v Matheus C Bueres | 6-1,6-0 |
| ITF Brazil F4 | 2018/05/15 13:00 | Felipe Garla v Nicolas Santos | 2-6,0-6 |
| ITF Brazil F4 Qual | 2018/05/14 13:00 | Felipe Garla v Rafael Tosetto | 3-6,7-6,6-1 |
| ITF Brazil F4 Qual | 2018/05/12 12:00 | Felipe Garla v Johann Soares Valinho | 6-0,6-2 |
| ITF Brazil F3 | 2018/05/08 14:25 | Felipe Garla v Mateus Alves | 6-3,3-6,2-6 |
| ITF Brazil F3 | 2018/05/07 12:30 | Felipe Garla v Igor Sao Thiago | 6-4,4-6,7-5 |
| ITF Brazil F2 | 2018/04/29 17:30 | Luis Britto v Felipe Garla | 6-4,6-4 |
| ITF Portugal F11 Qual | 2018/07/01 15:45 | Afonso Salgado v Lucas Gessner | 7-5,6-3 |
| ITF Portugal F10 | 2018/06/23 09:00 | Edoardo Graziani v Lucas Gessner | 6-0,6-0 |
| ITF Portugal F9 | 2018/06/17 09:00 | Lucas Gessner v Afonso Portugal | 2-6,0-6 |
| ITF Portugal F9 | 2018/06/16 11:30 | Miguel Semedo v Lucas Gessner | 6-2,3-6,6-7 |
| ITF Brazil F4 Qual | 2018/05/13 12:00 | Gabriel Decamps v Lucas Gessner | 6-0,6-1 |
| ITF Brazil F4 Qual | 2018/05/12 12:00 | Lucas Gessner v Eber Tiepermann | 6-1,6-3 |
| ITF Brazil F3 | 2018/05/06 12:30 | Lorenzo Gagliardo v Lucas Gessner | 6-2,6-3 |
| ITF Brazil F2 | 2018/04/29 17:30 | Augusto Laranja v Lucas Gessner | 6-2,6-0 |