Dhaka, Aug. 12 -- Carlos Alcaraz fought through a second-set slump to post a "rollercoaster" 6-1, 2-6, 6-3 victory over Damir Dzumhur in his opening match on Sunday at the ATP-WTA Cincinnati Open.

The Spaniard, playing his first tournament since losing to Jannik Sinner in the Wimbledon final, raced through the first set but completely lost his way in the second, dropping his serve twice against the 33-year-old Bosnian.

Alcaraz regained his intensity and cut down his errors in the third as a seventh ace took him to a match point that was converted when Dzumhur fired wide.

"It was just a rollercoaster," said the second seed, who was winning his 12th straight match at the Masters 1000 level after taking the titles in Monte Carlo and Rome....