Ma Cilic pulled off a surprising upset to defeat Federer. Ma Cilic entered the match as the decided underdog, with a 23% chance to win before the match started.
From the outset, Ma Cilic refused to go away, chipping away at Federer's lead until Ma Cilic took their first lead during the middle stretches of the match. Federer never recovered after losing the lead, and by the time the match ended, Ma Cilic had earned the upset.