who won the australian women's open tennis tournament
2017 Australian Open Roger Federer won his eighteenth men's singles Grand Slam title by defeating Rafael Nadal in a five-set final. It was his first major title since 2012 Wimbledon and a rematch of the 2009 Australian Open final, which Nadal won in five sets. Serena Williams overcame her sister Venus in the women's singles final, surpassing Steffi Graf to become the player with the most major wins in the women's game in the Open Era.