He played for Feyenoord between 1999 and 2003, where he failed to win any domestic title with the club, but did win the 2001–02 UEFA Cup, by beating Borussia Dortmund in the final. Consequently, they played the 2002 UEFA Super Cup, but lost against Real Madrid. Rząsa played both finals.
In 2006, he came to Austria and signed with SV Ried, where he was decisive in helping them to achieve their greatest ever result – finishing as runners-up in the 2006–07 Austrian Bundesliga. He played an impressive 58 league matches in just two seasons with Ried.
International career
Rząsa represented Poland in 36 international matches between 1994 and 2006, and scored one goal.[1]