The Czech team will play Croatia in the semifinals in September. The Croats advanced by eliminating the United States.
Stepanek downed Monaco 7-6 (7-5), 6-3, 6-2 in the decisive match after Argentina's Juan Martin del Potro defeated Tomas Berdycha 6-4, 6-4, 6-4, tying the best-of-five competition at Ostrava, Czech Republic, at two wins apiece.
The Czechs advance to the semifinals for the first time since 1996.
Copyright 2009 by United Press International.