Czechs open Davis Cup title defense in Switzerland
Berdych and Stepanek played all five matches when the Czechs beat Spain 3-2 in the final last November in Prague.
The marquee match between 17th-ranked Wawrinka, who lost an epic five-setter to Novak Djokovic at the Australian Open, and sixth-ranked Berdych would be early singles match on Sunday.
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