Former world No 3 Stan Wawrinka ends career in home match defeat in Basel

Stan Wawrinka, one of few players to win multiple Grand Slams in era dominated by Federer, Nadal and Djokovic, retires.

Stan Wawrinka bid farewell to tennis as he brought the curtain down on a decorated 24-year career following a first-round exit at the Basel Open on T...