Updated On: 28 October, 2021 09:31 AM IST | Vienna | AP
Zverev lost his serve early in the second but dropped just five more points from 5-2 down to close out the win with five straight games and set up a second-round match against Alex De Minaur.

Stefanos Tsitsipas returns to Grigor Dimitrov on Tuesday. Pic/Getty Images
Stefanos Tsitsipas saved three set points before beating Grigor Dimitrov 7-6, 6-4 to join Olympic champion Alexander Zverev in the second round of the
Vienna Open.
Zverev also advanced in straight sets but had to rally from 5-2 down in the second to overcome Filip Krajinovic 6-2, 7-5. The top-seeded Tsitsipas, who lost to Dimitrov in the second round last year, was 6-3 down in the tiebreaker before reeling off five straight points to claim the opening set.