Sara Errani and Andrea Vavassori weren't even sure they would get to defend their US Open mixed doubles title. Organizers revamped the tournament because they wanted singles superstars, not doubles specialists.

Some of the biggest stars in men's and women's tennis will take the court together at the US Open for a reimagined mixed doubles competition.

The winning duo will take home a $1 million prize, which is higher than most prize purses for mixed doubles major tournaments. The 16 teams will play over two days. The first round and quarterfinals take place on Tuesday inside the main show courts at the USTA National Tennis Center. The semifinals and championship match will be on Wednesday night.

Grand Slam singles champions such as Jannik Sinner, Carlos Alcaraz, Iga Swiatek and Madison Keys will be playing for extra money — $1 million to the winning duo — and trying to get their hands on a trophy in the U.

Jessica Pegula played extremely well during the US Open's new mixed doubles tournament on Tuesday, and yet, it was her Adidas outfit that had everyone buzzing. Pegula teamed up with Jack Draper for the mixed doubles tournament in New York.

Big names fell early and unexpected teams broke through to steal the spotlight on Day 1 of U.S. Open mixed doubles play, headlining an electric opener packed with upsets and standout performances.

Persistent rain wiped out almost the entire day of US Open qualifying - but the climax of the mixed doubles goes ahead.