'Not ready to compete': Sinner pulls out of tournament ahead of US Open
Men's tennis world number one Jannik Sinner pulls out of the Cincinnati Open with a right knee injury, handing the Italian a blow in his preparations for this month's US Open.
Men's tennis world number one Jannik Sinner pulls out of the Cincinnati Open with a right knee injury, handing the Italian a blow in his preparations for this month's US Open.