Stadium: Quadra 4 Round: 54 Ground: Clay
| ITF M25 Rio de Janeiro | 2019/10/07 14:00 | Lucas Gessner v Pedro Iamachkine | 1-6,1-6 |
| ITF M15 Santiago | 2019/09/30 12:00 | Nicolas Bianchi v Lucas Gessner | 6-2,6-0 |
| ITF M15 Buenos Aires | 2019/09/15 14:00 | Nicolas Uryson v Lucas Gessner | 6-2,6-4 |
| ITF M15 Curitiba | 2019/06/24 15:55 | Lucas Gessner v Charles Force | 6-0,5-7,9-11 |
| ITF M15 Sao JDR Preto | 2019/06/17 16:00 | Andre Miele v Lucas Gessner | 6-2,6-2 |
| ITF M15 Cancun | 2019/06/10 19:00 | Mwendwa Mbithi v Lucas Gessner | 6-2,6-2 |
| ITF M15 Cancun | 2019/06/10 14:30 | Lucas Gessner v Wulfrano M M Esdras | 6-4,6-3 |
| ITF M15 Cancun | 2019/06/03 13:30 | Austin Rapp v Lucas Gessner | 6-1,6-1 |
| ITF M25 Rio de Janeiro | 2019/10/07 14:00 | Natan Rodrigues v Joao Pedro Okano | 6-0,6-2 |
| ITF M15 Curitiba | 2019/06/24 13:30 | Vitor Leal v Joao Pedro Okano | 6-2,7-5 |
| ITF M15 Sao JDR Preto | 2019/06/18 12:30 | Javier Naser v Joao Pedro Okano | 6-2,3-6,10-6 |
| ITF M15 Sao JDR Preto | 2019/06/17 13:30 | Victor Castro v Joao Pedro Okano | 2-6,4-6 |
| ITF Brazil F9 | 2018/11/15 18:30 | Joao Souza v Joao Pedro Okano | 6-2,6-1 |
| ITF Brazil F8 | 2018/11/04 13:00 | Felipe Garla v Joao Pedro Okano | 6-2,6-0 |
| ITF Brazil F7 | 2018/10/29 12:00 | Joao Pedro Okano v Damien Wenger | 3-6,1-6 |
| ITF Brazil F7 | 2018/10/28 15:00 | Fabio Costa v Joao Pedro Okano | 6-3,3-6,5-7 |