Sinner withdraws from Cincinnati Open with knee injury

World number one tennis player Jannik Sinner has withdrawn from the Cincinnati Open due to a right knee injury, the Italian announced on Sunday. Sinner, who had been on a six-tournament winning streak at the 1000 level heading into the North American hard-court swing, cited ongoing knee issues that his medical team could not resolve.

The tournament, which begins on Thursday, comes just days after the Montreal Masters, the event Sinner also missed. This withdrawal follows that of world number two Carlos Alcaraz, who has been battling a wrist injury. Both players are preparing for the US Open, the final Grand Slam of the season, which starts on August 30.

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