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Galina Voskoboeva

Serena Williams (Photo credit should read TIMOTHY CLARY/AFP/Getty Images)

Serena, Nadal Cruise, 17-Year-Old Duval Falls On Day 4 Of US Open

Only a few spots separate them in the seedings. Still, the considerable gulf between No. 1 Serena Williams and No. 4 Sara Errani was hard to ignore in their matches Thursday at the U.S. Open.

08/29/2013