| Martins, Gabriel Santana1735 | 1-0 | Dias, Marcelo de Souza1957 | Brazil Chess - Floripa | 2026 |
| Dias, Marcelo de Souza1957 | 0-1 | Ramazzotte, Esther Zilli1753 | Brazil Chess - Floripa | 2026 |
| Pereira, Cristiano Alves1749 | ½-½ | Dias, Marcelo de Souza1957 | Brazil Chess - Floripa | 2026 |
| Dias, Marcelo de Souza1957 | ½-½ | Orsini, Cesar Oliveira1769 | Brazil Chess - Floripa | 2026 |
| Cardozo, Camila1715 | 0-1 | Dias, Marcelo de Souza1957 | Brazil Chess - Floripa | 2026 |
| Dias, Marcelo de Souza1957 | 0-1 | Centenaro, Josue Faustini | Brazil Chess - Floripa | 2026 |
| Vaz, Osvaldo Jose1731 | 0-1 | Dias, Marcelo de Souza1957 | Brazil Chess - Floripa | 2026 |
| Dias, Marcelo de Souza1957 | ½-½ | Araujo, Yvan Lukas Bertoldo1717 | Brazil Chess - Floripa | 2026 |
| Tomiello, Lucas Costamilan2335 | 1-0 | Dias, Marcelo de Souza1957 | Brazil Chess - Floripa | 2026 |
| Dias, Marcelo de Souza1957 | 1-0 | Abilhoa, Felipe Auer1535 | Brazil Chess - Floripa | 2026 |
| Ferreira, Thales Bond Dias2086 | 1-0 | Dias, Marcelo de Souza1854 | 10th Floripa Open 2024 | 2024 |
| Dias, Marcelo de Souza1854 | 1-0 | Fernandes, Beatriz1431 | 10th Floripa Open 2024 | 2024 |
| Reis, Virginia Lagrange M.1676 | 0-1 | Dias, Marcelo de Souza1854 | 10th Floripa Open 2024 | 2024 |
| Dias, Marcelo de Souza1854 | 0-1 | Gomes, Adrian Felipe L1416 | 10th Floripa Open 2024 | 2024 |
| Cunha, Angelo1598 | 0-1 | Dias, Marcelo de Souza1854 | 10th Floripa Open 2024 | 2024 |