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(130906) -- NEW YORK, Sept. 6, 2013 (Xinhua) -- Stanislas Wawrinka of Switzerland gestures to the audience after the men's singles quarterfinal match against Andy Murray of Britain at the U.S. Open tennis championships in New York, the United States, on Sept. 5, 2013. Wawrinka won 3-0. (Xinhua/Wang Lei) (KEYSTONE/XINHUA/Wang Lei)