Jannik Sinner withdraws from Cincinnati Open with knee injury, US Open return now in focus | Tennis News
Jannik Sinner’s US Open preparations have suffered another setback after the world No. 1 withdrew from the Cincinnati Open with a right knee injury, leaving his return to competitive tennis uncertain with the hard-court Grand Slam just weeks away.Sinner, who has not played since successfully defending his Wimbledon title last month, announced his withdrawal from…