Mahut pulled off a surprising upset to defeat Querrey. Mahut entered the match as the decided underdog, with a 20% chance to win before the match started.
From the outset, Mahut refused to go away, chipping away at Querrey's lead until Mahut took their first lead during the middle stretches of the match. Querrey never recovered after losing the lead, and by the time the match ended, Mahut had earned the upset.