2015 Australian Open – Men's Singles 2015 Australian Open – Men's Singles Stan Wawrinka was the defending champion, but he lost in the semifinals to Novak Djokovic. Andy Murray and Novak Djokovic contested the final for the third time, having met for the title in 2011 and 2013 with Djokovic winning both times. Djokovic went on to win his fifth Australian Open title by defeating Murray once again, 7–6, 6–7, 6–3, 6–0. The defeat saw Murray lose the Australian Open final for the fourth time in his career, becoming the first man in the Open Era to achieve four runner-up finishes in Melbourne. Roger Federer's streak
Donald Young (tennis) in three sets. Young lost to Gilles Simon in the first round of the 2010 US Open. Young and partner Robert Kendrick won the doubles championship at the Virginia National Bank Challenger in November. Young lost to Marin Čilić in the first round of the 2011 Australian Open. At the 2011 BNP Paribas Open Masters 1000 event in Indian Wells, he defeated his highest-ranked opponent to-date, Andy Murray (#4), winning in straight sets. In April, Young won the Tallahassee Tennis Challenger. He advanced to the second round of the 2011 Aegon International and the 2011 Aegon Championships. Young made it