Hurkacz saved a match point 5-4 in the decider and then came within two points of forcing a tiebreaker. Tsitsipas is 8-1 in matches in 2021, with his sole loss coming to Novak Djokovic in the Australian Open final.
Qualifier Jeremy Chardy upset sixth-seeded David Goffin 7-6 (3), 7-6 (5) to progress to his third tour quarterfinal this season. That's a big improvement for the French player after Chardy went all of 2020 without recording back-to-back wins on tour in a 3-7 season. Chardy plays fourth-seeded Andrey Rublev.
Paul hit a behind-the-back shot at 4-1 up in the deciding set, reacting quickly after Bublik's backhand took a deflection off the net cord.