Pironkova pulled off a surprising upset to defeat A Radwanska. Pironkova entered the match as the decided underdog, with a 19% chance to win before the match started.
From the outset, Pironkova refused to go away, chipping away at A Radwanska's lead until Pironkova took their first lead at the very end of the match. A Radwanska never recovered after losing the lead, and by the time the match ended, Pironkova had earned the upset.