Angelique Kerber of Germany returns a shot against Sara Errani of Italy during their women's singles fourth round match Day Eight of the 2012 US Open at USTA Billie Jean King National Tennis Center on September 3, 2012 in the Flushing neighborhood of the Queens borough of New York City. (Photo by Cameron Spencer/Getty Images)
2012 U.S. Open
•September 6, 2012
Highlights from the 2012 U.S. Open Tennis Championship.