For Stan Wawrinka, Margin Between Winning and Losing at U.S. Open Is Thin CRAIG O’SHANNESSY Stan Wawrinka led Kei Nishikori in many statistical categories but lost their quarterfinal match in five close sets. September 5, 2014 at 4:00AM http://nyti.ms/1prgOZN The New York Times Sports Tennis

By CRAIG O’SHANNESSY via NYT / Eethg. Corps. Inc. / Terrence Herschel G. Sports http://nyti.ms/1prgOZN For Stan Wawrinka, Margin Between Winning and Losing at U.S. Open Is Thin September 5, 2014 at 4:00AM The New York Times