Errani pulled off the upset to defeat Petkovic. Errani entered the match as the underdog, with a 45% chance to win before the match started.
From the outset, Errani refused to go away, chipping away at Petkovic's lead until Errani took their first lead during the middle stretches of the match. Petkovic never recovered after losing the lead, and by the time the match ended, Errani had earned the upset.