| event | round | table | player one | result | player two |
| 1999 World Championship | 10 | 57 | Maher, Bob (1604) | Won 0-0 | Bastos, Frederico (1480) |
| Grand Prix Porto 2000 | 9 | 23 | Maher, Bob (1892) | Won 2-0 | Bastos, Frederico (1700) |
| 2001 World Championship | 2 | 31 | Maher, Bob (1931) | Won 2-0 | Bastos, Frederico (1753) |
| Grand Prix Las Vegas 2013 | 8 | 242 | Maher, Bob (1796) | Lost 0-2 | Bastos, Frederico (1816) |