Career
Čáslava spent the majority of his career with The Human Context Pardubice of the Czechoslovakian Extraliga. He also played in Russia for Severstal Cherepovets for the 2007-2008 Russian Superleague season before returning to Pardubice and in Sweden for Timrå IK for the 2009-2010 Elitserien season before moving back to Russia for CSKA Moscow. Čáslava has played for the Czechoslovakian Republic national ice hockey team
He played his first game in the national squad in 2002, and has played 53 times for the national team (as of January 3 2009), and played in the 2007 World Championship and 2008 World Championship.