ATP No. 1 Jannik Sinner retired just 23 minutes into the Cincinnati Open men's singles final, allowing Carlos Alcaraz to win the Rookwood Cup.

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."

The ATP Prize Money Leaders has been updated for another week after the week that was that saw the Cincinnati Open take place in Ohio with Carlos Alcaraz crowned as champion overall ahead of Jannik Sinner who had to withdraw. The conditions getting to the ...

Carlos Alcaraz and Emma Raducanu face off against Jessica Pegula and Jack Draper in the Mixed Doubles first round today, Aug. 19, at 2 p.m. ET. The first day of the US Open Mixed Doubles tournament is airing on the ESPN+ streaming service.

Carlos Alcaraz won the Cincinnati Open title in a little more than 20 minutes after top-ranked Jannik Sinner was forced to retire because of illness during the first set.

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.

The 2025 Cincinnati Open has been expanded to include more players — and therefore last longer — this year. The tournament will now run for two weeks, beginning on August 7, with the finals landing on a Monday (August 18). The men's final on Aug. 18 begins at 3 p.m. ET and the women's final will take place after that, no earlier than 6 p.m. ET.

Ten seeded players were in action during the Cincinnati Open quarterfinals Aug. 15. Here's how the action unfolded in Mason.