| Lutz, I2022 | 1-0 | Arndt, Claudio Felipe1744 | 9th Floripa Open 2023 | 2023 |
| Tomiello, Mateus Costamilan2051 | 1-0 | Arndt, Claudio Felipe1744 | 9th Floripa Open 2023 | 2023 |
| Ferraz, Michel Liah1968 | 1-0 | Arndt, Claudio Felipe1759 | 7th Floripa Open 2021 | 2021 |
| Araujo, Everson De Moura1922 | 1-0 | Arndt, Claudio Felipe1759 | 7th Floripa Open 2021 | 2021 |
| Arndt, Claudio Felipe1759 | 0-1 | Peixoto, Rudson Marinho1932 | 7th Floripa Open 2021 | 2021 |
| Dias, Ande2148 | ½-½ | Arndt, Claudio Felipe1759 | 7th Floripa Open 2021 | 2021 |
| Arndt, Claudio Felipe1759 | 0-1 | Carvalho, Lazaro Miranda1994 | 7th Floripa Open 2021 | 2021 |
| Volkmann, Andre Jordi2040 | 1-0 | Arndt, Claudio Felipe1728 | 6th Floripa Open 2020 | 2020 |
| Arndt, Claudio Felipe1728 | ½-½ | Da Silva, P2171 | 6th Floripa Open 2020 | 2020 |
| Antunes, Luciano Justi2061 | 1-0 | Arndt, Claudio Felipe1728 | 6th Floripa Open 2020 | 2020 |
| Arndt, Claudio Felipe1728 | ½-½ | Andrade Fiaes, M2126 | 6th Floripa Open 2020 | 2020 |
| Portes Junior, Dirceu Atanazio1969 | 0-1 | Arndt, Claudio Felipe1728 | 6th Floripa Open 2020 | 2020 |
| Arndt, Claudio Felipe1728 | ½-½ | Custodio, Leandro1994 | 6th Floripa Open 2020 | 2020 |
| Arndt, Claudio Felipe1664 | ½-½ | Prior, M1867 | V Concordia Open 2019 | 2019 |
| Salvadego, Matheus Henrique De O1947 | ½-½ | Arndt, Claudio Felipe1664 | V Concordia Open 2019 | 2019 |