Kohlschreiber pulled off a surprising upset to defeat A Zverev. Kohlschreiber entered the match as the decided underdog, with a 11% chance to win before the match started.
From the outset, Kohlschreiber refused to go away, chipping away at A Zverev's lead until Kohlschreiber took their first lead at the end of the match. A Zverev never recovered after losing the lead, and by the time the match ended, Kohlschreiber had earned the upset.