Carlos Alcaraz of Spain and Jannik Sinner of Italy during the Men's Singles Final match on day twelve of the Cincinnati Open 2025 at Lindner Family Tennis Center on August 18, 2025 in Mason, Ohio. The ATP Tour then released quotes from Sinner in which he spoke about the U.S. Open.

The world No. 1 aims to extend a 21-match win streak at hard-court majors—and renew his rivalry with Carlos Alcaraz—in Flushing Meadows.

It felt like tennis had delivered the perfect script—world No. 1 Jannik Sinner versus world No. 2 Carlos Alcaraz in a Masters 1000 final. Both had torn through the draw in Cincinnati, barely breaking a sweat, setting up the dream clash fans had been waiting for.

The highly anticipated showdown between Jannik Sinner and Carlos Alcaraz in the Cincinnati Open final ended on a somber note. Alcaraz defeated Sinner in a walkover after the ATP World No. 1 retired with an illness in the first set.

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."

Frenchman Terence Atmane made sure Jannik Sinner had a 24th birthday to remember, gifting the world number one a Pokemon card before going on to lose their semi-final meeting at the Cincinnati Open on Saturday.