| event | round | table | player one | result | player two |
| Pro Tour London 2005 | 9 | 1 | Zidek, Arnost (1919) | Won 2-1 | Siron, Geoffrey (1840) |
| Pro Tour London 2005 | 11 | 7 | Zidek, Arnost (1949) | Lost 1-2 | Siron, Geoffrey (1846) |
| Pro Tour London 2005 | 15 | 2 | Zidek, Arnost (1934) | ID | Siron, Geoffrey (1887) |
| 2005 World Championship | 9 | 29 | Zidek, Arnost (1918) | Won 2-0 | Siron, Geoffrey (1934) |