Isner pulled off the upset to defeat Robredo. Isner entered the match as the underdog, with a 38% chance to win before the match started.
From the outset, Isner refused to go away, chipping away at Robredo's lead until Isner took their first lead during the middle stretches of the match. Robredo never recovered after losing the lead, and by the time the match ended, Isner had earned the upset.