CINCINNATI, OH - AUGUST 19: Jannik Sinner of Italy poses with the Rookwood Cup after defeating Frances Tiafoe to win the final round of the Cincinnati Open on August 19, 2024, at the Lindner Family Tennis Center in Mason, OH. (Photo by Ian Johnson/Icon Sportswire via Getty Images) Icon Sportswire via Getty ImagesWorld Jannik Sinner has withdrawn from the Cincinnati Open with a right knee injury. "After consulting with my doctors and my team, I have to announce that I need to withdraw from the Masters 1000 tournament in Cincinnati," Sinner said. The Cincinnati Open will begin Tuesday, Aug. 11, with the qualifying tournament and continue through Finals Weekend culminating with the singles championship matches on Sunday, Aug. 23. The draw ceremony for the Cincinnati Open will take place Tuesday at 3 p.m. local time.