Carlos Alcaraz won the Cincinnati Open on Monday after Jannik Sinner was forced to retire due to illness. Alcaraz was already up big on Sinner, the World No. 1, when he had to retire. Sinner told the crowd that he hoped to play after feeling bad overnight, but he couldn't make it work.

Carlos Alcaraz won the Cincinnati Open title in anticlimactic circumstances as rival Jannik Sinner retired due to illness just 23 minutes into the match.

Third-ranked Iga Swiatek captured the Cincinnati Open title by defeating No. 7 Jasmine Paolini 7-5, 6-4 on Monday night.

Iga Swiatek has confirmed her participation in today’s US Open mixed doubles event despite a rapid turnaround from her victory at the Cincinnati Open on Monday night. The Polish star, who won Wimbledon last month, did not drop a set all week in Cincinnati and defeated Jasmine Paolini 7-5 6-4 to lay down a marker ahead of the US Open.

Iga Swiatek continued her strong summer by defeating Elena Rybakina 7-5, 6-3 on Sunday to reach the final of the Cincinnati Open, where she will face Jasmine Paolini, a 6-3, 6-7 (2), 6-3 winner against Veronika Kudermetova.