Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Castelo Branco | 2020/09/23 15:05 | Patrik Niklas-Salminen v Natan Rodrigues | 6-7,1-6 |
| ITF M15 Sintra | 2020/09/16 08:30 | Natan Rodrigues v Nuno Borges | 3-6,1-6 |
| ITF M15 Sintra | 2020/09/09 11:20 | Natan Rodrigues v Gauthier Onclin | 2-6,3-6 |
| ITF M15 Sao Paulo | 2019/10/14 14:00 | Gabriel Ciro Da Silva v Natan Rodrigues | 6-4,6-2 |
| ITF M25 Rio de Janeiro | 2019/10/08 14:00 | Carlos E. Severino v Natan Rodrigues | 6-3,6-4 |
| ITF M25 Rio de Janeiro | 2019/10/07 14:00 | Natan Rodrigues v Joao Pedro Okano | 6-0,6-2 |
| Challenger Campinas | 2019/09/30 12:00 | Daniel Dutra Da Silva v Natan Rodrigues | 6-1,6-4 |
| ITF M15 Sao JDR Preto | 2019/06/19 21:00 | Natan Rodrigues v Mariano Navone | 3-6,2-6 |
| ITF M15 Castelo Branco | 2020/09/23 09:00 | Otto Virtanen v Joao Lucas Reis da Silva | 5-7,3-6 |
| ITF M15 Sintra | 2020/09/10 08:25 | Joao Lucas Reis da Silva v Mohamed Aziz Dougaz | 4-6,4-6 |
| ITF M15 Sintra | 2020/09/09 10:35 | Joao Lucas Reis da Silva v Romain Faucon | 6-2,6-0 |
| ITF M15 Sintra | 2020/09/07 14:55 | Joao Lucas Reis da Silva v Pedro Araujo | 7-5,6-2 |
| ITF M15 Sintra | 2020/09/07 10:00 | Joao Lucas Reis da Silva v Issei Okamura | 7-5,7-6 |
| ITF M15 Sintra | 2020/09/06 10:00 | Joao Lucas Reis da Silva v Maik Steiner | 6-2,7-6 |
| ITF M15 Cancun | 2020/02/19 15:30 | Felipe M Sarrasague v Joao Lucas Reis da Silva | 7-5,6-3 |
| ITF M15 Cancun | 2020/02/16 14:00 | Maximiliano Estevez v Joao Lucas Reis da Silva | 6-7,1-6 |