Roger Federer became the first man to win 20 Grand Slam tennis singles titles Sunday, defeating Marin Cilic 6-2, 6-7 (7-5), 6-3, 6-1, 6-1 to capture his record-tying sixth Australian Open championship. “After the great year I had last year, it's incredible.”

In addition to his six Australian Open titles, Federer’s Grand Slam résumé includes eight Wimbledon titles, five U.S. Open championships and one French Open title. He became the oldest player in the Open Era to win the Australian Open title for the sixth time, joining Novak Djokovic and Roy Emerson and Roger’s total Grand Slam tally went to 20, which is the highest of all times.
Swiss tennis player Roger Federer successfully defends his title in the five-sets men's singles final against Marin Čilić, winning his sixth title at the Australian Open and becoming the first man to win 20 titles in Grand Slam tournaments.