| Nunes, Rafael Klanfer1756 | 0-1 | Suzuki, Edgard Nascimento Souza1957 | Brazil Chess - Floripa | 2026 |
| Batista, Leonardo Antonio1954 | 1-0 | Nunes, Rafael Klanfer1756 | Brazil Chess - Floripa | 2026 |
| Ermel, Francisco Roberto2085 | 1-0 | Nunes, Rafael Klanfer1756 | Brazil Chess - Floripa | 2026 |
| Nunes, Rafael Klanfer1756 | 1-0 | Yucra Valdes, Diego Alonso1981 | Brazil Chess - Floripa | 2026 |
| De Moura Silva, Guilherme1986 | ½-½ | Nunes, Rafael Klanfer1756 | Brazil Chess - Floripa | 2026 |
| Nunes, Rafael Klanfer1756 | 1-0 | Bassani, Jaison Jose1967 | Brazil Chess - Floripa | 2026 |
| Acosta, P2083 | 1-0 | Nunes, Rafael Klanfer1756 | Brazil Chess - Floripa | 2026 |
| Pironti, Francisco Ferrari2103 | 1-0 | Nunes, Rafael Klanfer1757 | Brazil Chess Series - SP | 2025 |
| Maset, Pedro Yuki Yoshida1835 | 1-0 | Nunes, Rafael Klanfer1757 | Brazil Chess Series - SP | 2025 |
| Nunes, Rafael Klanfer1757 | 0-1 | Poeta, Caio Medeiros2160 | Brazil Chess Series - SP | 2025 |
| Nunes, Rafael Klanfer1757 | 1-0 | Suzuki, Ernesto Koh1807 | Brazil Chess Series - SP | 2025 |
| Mariani, Kim Paul1803 | 0-1 | Nunes, Rafael Klanfer1757 | Brazil Chess Series - SP | 2025 |
| Silva, Kaua Marques2351 | 1-0 | Nunes, Rafael Klanfer1757 | Brazil Chess Series - SP | 2025 |
| Nunes, Rafael Klanfer1760 | 0-1 | Bezerra, Fabiano de Oliveira1894 | IV Manaus Open 2025 | 2025 |
| Nunes, Rafael Klanfer1760 | 0-1 | Caceres, D2070 | IV Manaus Open 2025 | 2025 |