He has beaten Novak Djokovic to become US Open champion -- but there's even more to come from Stan Wawrinka if he can master consistency, his coach tells CNN.
원문출처 : http://www.cnn.com/2016/10/07/sport/stan-wawrinka-tennis-us-open-magnus-norman-coach/index.html
원문출처 : http://www.cnn.com/2016/10/07/sport/stan-wawrinka-tennis-us-open-magnus-norman-coach/index.html