Jannik Sinner and Carlos Alcaraz will meet for the 15th time in their careers in Sunday's 2025 US Open men's singles final.

Carlos Alcaraz meets Novak Djokovic in the US Open semifinal on Friday at 3 p.m. ET, with the winner moving on for a shot at the title and world No. 1.

Second-ranked phenom Carlos Alcaraz battles tennis legend and seventh-ranked Novak Djokovic in a star-studded semifinal at the US Open today. Find out how to watch for free.

Historically, Sabalenka has the edge over Pegula in their previous meetings, with a 9-2 record over the American – the pair are also practice partners. Their last three meetings have all been in finals in the US, with Sabalenka winning all of them in straight sets at the 2024 Cincinnati Open, the 2024 US Open and the 2025 Miami Open.

Three men's singles matches ended early on Saturday, with Kamil Majchrzak, Flavio Cobolli and Daniel Altmaier retiring from their respective matches due to injury as Leandro Riedi, Lorenzo Musetti and Alex de Minaur advanced to the fourth round.

And what's happening behind the scenes is no less exciting. This year's US Open aims to be even more sustainably minded than before — and over 1 million fans can get in on the action just by showing up and enjoying the matches.

The second match of the day features Naomi Osaka, who won the US Open in both 2018 and 2020. After winning the Australian Open in 2021, Osaka has struggled in Grand Slams. Since that victory, she hasn't advanced past the third round at any Grand Slam. That changed following her upset win over Karolina Muchova on Wednesday.