As the tennis world prepares for the U.S. Open, the races to be ATP and WTA world No. 1 are getting interesting in Cincinnati.

ATP No. 1 Jannik Sinner and former Cincinnati Open champion Coco Gauff are in action Aug. 14. Follow live from Mason.

CINCINNATI, OH — Rajeev Ram, at 41, became the second-oldest men’s doubles champion in Cincinnati Open history after winning his maiden Masters 1000 title with partner Nikola Mektic. The unseeded pair completed a successful run by defeating the Italian team of Lorenzo Musetti and Lorenzo Sonego with a score of 4-6, 6-3, 10-5.

Gabriela Dabrowski of Ottawa and Erin Routliffe of New Zealand won the Cincinnati Open women's doubles championship with a straight-sets victory over Guo Hanyo of China and Alexandra Panova of Russia on Sunday night.

Follow live as The Enquirer provides real-time updates of the third round at the Cincinnati Open from the Lindner Family Tennis Center in Mason.

Frances Tiafoe, a finalist at last year's Cincinnati Open, was forced to retire from his Round of 16 match vs. Holger Rune during the second set on Wednesday because of injury. An official injury diagnosis hasn't been shared,

Sinner will face either world number two Carlos Alcaraz or third-ranked Alexander Zverev. Read more at straitstimes.com. Read more at straitstimes.com.

Top seeds Sabalenka and Gauff exit Cincinnati Open, Alcaraz advances; Zverev, Rybakina, Swiatek, and Paolini also progress.