In all four 2013 Grand Slam tournaments, Raonic matched his previous best result. He reached the fourth round of the Australian Open, falling to No. 2 Federer. At the French Open, he lost in the third round to Kevin Anderson. At Wimbledon, he lost in the second round to Igor Sijsling. At the US Open, he fell to No. 9 Richard Gasquet in the fourth round, despite a career-high 39 aces.