| Kayser, Gustavo Warmling2036 | 1-0 | Costa, Ricardo Santos1778 | 11th Floripa Open 2025 | 2025 |
| Salamanca Paraguayo, Mateo1547 | 0-1 | Costa, Ricardo Santos1813 | Floripa Winter 2024 | 2024 |
| Costa, Ricardo Santos1813 | ½-½ | Baratieri, Maria Vitoria1539 | Floripa Winter 2024 | 2024 |
| Mariani, Kim Paul1713 | 1-0 | Costa, Ricardo Santos1813 | Floripa Winter 2024 | 2024 |
| Costa, Ricardo Santos1813 | 0-1 | Schena, Arthur1947 | Floripa Winter 2024 | 2024 |
| Lelinski, Arthur | ½-½ | Costa, Ricardo Santos1813 | Floripa Winter 2024 | 2024 |
| Costa, Ricardo Santos1813 | ½-½ | Abilhoa, Felipe Auer1547 | Floripa Winter 2024 | 2024 |
| Orsini, Sarah de Oliveira1454 | 0-1 | Costa, Ricardo Santos1813 | Floripa Winter 2024 | 2024 |
| Costa, Ricardo Santos1813 | ½-½ | Cunha, Paola De Oliveira1535 | Floripa Winter 2024 | 2024 |
| Piccoli, Lucas Fonseca2242 | 1-0 | Costa, Ricardo Santos1813 | Floripa Winter 2024 | 2024 |
| Costa, Ricardo Santos1731 | 0-1 | Benitez, Andres1956 | 10th Floripa Open 2024 | 2024 |
| Nascimento, Pedro Henrique Alves1946 | 1-0 | Costa, Ricardo Santos1731 | 10th Floripa Open 2024 | 2024 |
| Cordero, D2028 | 1-0 | Costa, Ricardo Santos1731 | 10th Floripa Open 2024 | 2024 |
| Costa, Ricardo Santos1731 | ½-½ | Costa, Flavio Luis Cesar1994 | 10th Floripa Open 2024 | 2024 |
| Araujo, Everson De Moura2003 | 1-0 | Costa, Ricardo Santos1762 | 8th Floripa Open 2022 | 2022 |