Stan Wawrinka has officially ended his 23-year professional tennis career. The 41-year-old Swiss star played his final tour-level match on Tuesday. He suffered a 7-5, 7-6 (7-2) defeat to Jiri Lehecka at the Swiss Indoors in Basel. The passionate home crowd delivered a glitzy farewell ceremony to honour the three-time Grand Slam champion. Breaking The Big Three Dominance Wawrinka retires as one of the few players to successfully challenge the golden generation. Roger Federer, Rafael Nadal and Novak Djokovic dominated the sport for