Carlos Alcaraz wins Cincinnati Open as Jannik Sinner retires due to illness, raising concerns ahead of U.S. Open.

Carlos Alcaraz won the Cincinnati Open title in a little more than 20 minutes on Monday after top-ranked Jannik Sinner was ...

Jannik Sinner retired ill in the Cincinnati Open final after trailing 0-5, leaving in tears as Carlos Alcaraz lifted the title.

Carlos Alcaraz won the Cincinnati Open title in a little more than 20 minutes after top-ranked Jannik Sinner was forced to ...