US Open Tennis Championships

US Open Tennis Championships

Shuai Peng from China bends over with a leg cramp in the second set of her match against Caroline Wozniacki of Denmark in the semi-finals at the US Open Tennis Championships at the USTA Billie Jean King National Tennis Center in New York City on September 5, 2014. Caroline Wozniacki won the first set and was leading in the second when Peng Shuai retired due to on-court cramping. Wozniacki defeated Peng 7-6, 4-3. UPI/John Angelillo