Millman pulled off a stunning upset to defeat Federer. Millman entered the match as the overwhelming underdog, with a 4% chance to win before the match started.
From the outset, Millman refused to go away, chipping away at Federer's lead until Millman took their first lead at the end of the match. Federer never recovered after losing the lead, and by the time the match ended, Millman had earned the upset.