| Mattos, Bernardo Cunha1735 | 0-1 | Morais, Wagner Soares De1901 | V Duchamp Int Open 2024 | 2024 |
| Sopko, Cassio Roberto1852 | ½-½ | Mattos, Bernardo Cunha1735 | V Duchamp Int Open 2024 | 2024 |
| Lopes, Eduardo Moraes1902 | 1-0 | Mattos, Bernardo Cunha1735 | V Duchamp Int Open 2024 | 2024 |
| Souza, Iago Henrique da Silva2037 | 1-0 | Mattos, Bernardo Cunha1735 | V Duchamp Int Open 2024 | 2024 |
| Mattos, Bernardo Cunha1719 | 1-0 | Chaves, Jor1924 | IV Niteroi Chess Open | 2024 |
| Mattos, Bernardo Cunha1719 | 0-1 | Borsato, Ana Carolina Teodoro1892 | IV Niteroi Chess Open | 2024 |
| Mattos, Bernardo Cunha1719 | ½-½ | Bil, A1957 | IV Niteroi Chess Open | 2024 |
| De Souza, Felipe Guimaraes2038 | 1-0 | Mattos, Bernardo Cunha1719 | IV Niteroi Chess Open | 2024 |
| Mattos, Bernardo Cunha1773 | 0-1 | Nemeth Junior, H2191 | VIII SESC Caioba Open | 2024 |
| Leon Lopes, Sergio Amadeus1858 | 1-0 | Mattos, Bernardo Cunha1567 | Sampa Chess Open 2024 | 2024 |
| Mattos, Bernardo Cunha1567 | 0-1 | Silva, Kaua Marques2215 | Sampa Chess Open 2024 | 2024 |
| Mattos, Bernardo Cunha1567 | 0-1 | Carvalho, Ce1918 | Sampa Chess Open 2024 | 2024 |
| Zacarias, R2121 | 1-0 | Mattos, Bernardo Cunha1517 | III Niteroi Chess Open | 2023 |
| Mattos, Bernardo Cunha1517 | ½-½ | Leao, Flavio Sanchez1838 | III Niteroi Chess Open | 2023 |
| Nascimento, Daniel Rojas1909 | 1-0 | Mattos, Bernardo Cunha1517 | III Niteroi Chess Open | 2023 |