event | round | table | player one | result | player two |
Grand Prix Porto Alegre 2004 | 11 | 20 | Barcellos, Guilherme (1604) | Lost 1-2 | Damo da Rosa, Paulo Vitor (1788) |
Grand Prix Sao Paulo 2009 | 4 | 2 | Barcellos, Guilherme (1674) | Lost 0-2 | Damo da Rosa, Paulo Vitor (2055) |