The Italians had been determined to prove the value of doubles players and "made their points clear". But so did the US Open organisers. Their aim was to "create a bigger stage" for a format "deemed obsolete" and the interest it has subsequently generated is "undeniable".

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.

Everyone has been talking about the revamped US Open mixed doubles but the other Grand Slams are unlikely to follow suit soon.

The new Mixed Doubles format for the 2025 US Open has allowed more of the top singles players to participate in the event, and on Tuesday, Aug. 19 in New York, the Mixed Doubles tournament begins.

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.

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.

Find out how to watch the 2025 US Open, including TV channels, streaming options on ESPN and match schedules for all major events

Former British No. 1 Tim Henman gave his verdict on the new US Open mixed doubles format, which included major stars from the singles tour—including Carlos Alcaraz, Iga Swiatek, Emma Raducanu, and Jack Draper—but meant the exclusion of regular doubles specialists.

Carlos Alcaraz and Novak Djokovic will face potential difficult American opponents when they begin their quest for another U.S. Open title.