The highly anticipated final at the Cincinnati Open came to a sad ending on Monday as World No. 1 Jannik Sinner was forced to retire from the match against No. 2 Carlos Alcaraz while trailing 5-0 due to illness. With the result, Alcaraz wins his third Masters 1000 title of the season and his eighth overall in his storied young career.

Sinner retired with apparent illness in the first set of Monday's Cincinnati Open final against Alcaraz after digging a 5-0 deficit. Sinner remained on the court for the trophy ceremony and addressed his condition while speaking with the crowd. He didn't offer specifics, but said that he "didn't feel great."

Carlos Alcaraz won his first Cincinnati Open, but not in the way he would have wanted, with opponent Jannik Sinner retiring from the match. The Spaniard was 5-0 up in the first set when his rival

Carlos Alcaraz won the Cincinnati Open after top seed Jannik Sinner retired as he was feeling unwell on Monday, raising concerns about the Italian's fitness just days before he is due to begin the defence of his U.

The next chapter in the running rivalry series between top-ranked Jannik Sinner and No. 2 Carlos Alcaraz is set for Monday afternoon in the men’s singles final at the 2025 Cincinnati Open.

Fierce rivals Carlos Alcaraz and Jannik Sinner square off at the men's Cincinnati Open Final today. Find out how to watch for free.

As the tennis world prepares for the U.S. Open, the races to be ATP and WTA world No. 1 are getting interesting in Cincinnati.

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.

It was only the third time the Cincinnati Open men’s final ended in a retirement, and the first since 2011 when Novak Djokovic stopped playing in the second set because of a shoulder injury.

Carlos Alcaraz won the Cincinnati Open title in a little over 20 minutes Monday afternoon, after his nearest rival and world No. 1 Jannik Sinner retired through illness down 5-0. Sinner fought back tears as he was forced to quit the match, which was poised to be another instalment in the most compelling current rivalry in tennis.

But Świątek has surged late in the 2025 season. And building off her recent win on the grass courts at Wimbledon, she took home the Cincinnati Open 's Rookwood Cup after she beat Italian, Jasmine Paolini, 7-5, 6-4, on Aug. 18.