Mattek-Sands pulled off the upset to defeat Vandeweghe. Mattek-Sands entered the match as the underdog, with a 35% chance to win before the match started.
Mattek-Sands seized control early, taking their first lead toward the beginning of the match. Vandeweghe never recovered after losing the lead, and by the time the match ended, Mattek-Sands had earned the upset.