Question: who won the men's single title of australia open on 1 february 2015?
Answer: Novak Djokovic, Djokovic

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 .