| Barbosa, Rafael Santos1901 | 0-1 | Tsuboi, E2162 | X SESC Caioba Open | 2026 |
| Barbosa, Rafael Santos1869 | 0-1 | Serpa, Rafael Araujo2081 | Brazil Chess - Floripa | 2026 |
| Mazetto, S2042 | 1-0 | Barbosa, Rafael Santos1869 | Brazil Chess - Floripa | 2026 |
| Barbosa, Rafael Santos1869 | ½-½ | Calcado, A2109 | Brazil Chess - Floripa | 2026 |
| Sega, C2122 | ½-½ | Barbosa, Rafael Santos1869 | Brazil Chess - Floripa | 2026 |
| Barbosa, Rafael Santos1869 | 1-0 | Dias, Si2100 | Brazil Chess - Floripa | 2026 |
| Souza, Neurismar Da Rocha1636 | 0-1 | Barbosa, Rafael Santos1869 | Brazil Chess - Floripa | 2026 |
| Barbosa, Rafael Santos1869 | 0-1 | Souza, Iago Henrique da Silva2038 | Brazil Chess - Floripa | 2026 |
| Da Fonseca, Arthur Gomez1560 | 0-1 | Barbosa, Rafael Santos1869 | Brazil Chess - Floripa | 2026 |
| Barbosa, Rafael Santos1869 | 0-1 | De Souza, Ivo Eduardo Medeiros2135 | Brazil Chess - Floripa | 2026 |
| Da Silva, Jussara Maria | 0-1 | Barbosa, Rafael Santos1869 | Brazil Chess - Floripa | 2026 |
| Barbosa, Rafael Santos1857 | 0-1 | Cordeiro, M2049 | 11th Floripa Open 2025 | 2025 |
| Barbosa, Rafael Santos1857 | 1-0 | Dos Santos, Maria Isabel Queiroz1654 | 11th Floripa Open 2025 | 2025 |
| Neves, Leonardo C B C De Almeida2111 | 1-0 | Barbosa, Rafael Santos1857 | 11th Floripa Open 2025 | 2025 |
| Barbosa, Rafael Santos1857 | ½-½ | Da Rosa, Henrique Jaze Simoes2003 | 11th Floripa Open 2025 | 2025 |