The thought of the top men’s and women’s singles players teaming up is one that has often intrigued tennis fans around the world.

The world’s elite converge on New York, New York for the US Open, but many of the top-ranked players across the men’s and women’s game have arrived a week early. Why? For the revamped mixed doubles event,

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.

Swiatek and Ruud thriving as a duo in New York, reaching the US Open mixed doubles semifinal in their team debut.

Top singles names and unlikely pairings share the stage in a made-for-primetime mixed-doubles tournament with a million-dollar stakes. Here are the results from Day 1.

The new-look US Open mixed doubles event continues today, with Jack Draper and Jessica Pegula in the final four and with a shot of winning the $1m top prize. The pair defeated former US Open champions Carlos Alcaraz and Emma Raducanu in a star-studded list of pairs on the opening day of the new version of the format.

Venus Williams and Reilly Opelka take on Karolina Muchova and Andrey Rublev at 12:30 p.m. ET today, Aug. 19. The first day of the US Open Mixed Doubles tournament is airing on the ESPN+ streaming service. Right now, ESPN+ costs $11.99/month for new subscribers.