Na Li defeats Ekaterina Makarova in the quarterfinals at the U.S. Open in New York

Ekaterina Makarova of Russia rects as she is about to lose to Na Li of China during their quarter-final match at the U.S. Open Championship held at the USTA Billie Jean King National Tennis Center on September 3, 2013 in New York City. Na Li won 6-4, 6-7, 6-2. UPI Photo/Monika Graff