In other tennis action Sunday, Fed Cup holders the Czech Republic beat Italy 4-1 in Ostrava to seal their place in the final.

CNN: STORY HIGHLIGHTS

The Czech Republic are through to the quarterfinals after Tomas Berdych and Radek Stepanek beat Italy 's Daniele Bracciali and Potito Starace 6-3, 6-4, 6-2 in Ostrava.

CNN: Federer loses again as Swiss crash out to U.S.

It was the Banik Ostrava man's first international goal and gives the Czechs a crucial three points ahead of other Group A matches against Portugal and Turkey.

CNN: Sverkos gives Czech Republic opening win