ATP No. 1 Jannik Sinner is bidding to become the first back-to-back Cincinnati Open men's singles champion since Roger Federer.

The world No. 1, who was celebrating his 24th birthday, has now won his last 26 matches in a row on this surface.

World number one Aryna Sabalenka and second-ranked Coco Gauff were sent crashing out of the ATP-WTA Cincinnati Open on Friday ...