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.

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.

While regular doubles players may not like US Open’s reimagined mixed doubles competition, it certainly managed to bring new fans to the stadium on the first day of the event.

The No. 1-ranked Sinner, the defending champion in singles at Flushing Meadows, was supposed to compete in mixed doubles with Katerina Siniakova.

The world number one in singles with set to take part in the revamped event alongside Czechia’s Katerina Siniakova, but was forced to pull out of the competition

Check out our comprehensive guide on how to watch the US Open Mixed Doubles 2025, including schedule, date, TV channel and live stream details.

With Elena Rybakina in Yonex, Venus Williams in custom Khaite, and Taylor Townsend in her own gear, tennis style was on show in New York.

US Open takes place from August 24-September 7, with reimagined mixed doubles tournament preceding it from August 19-20 as Emma Raducanu and Jack Draper square off - watch exclusive live coverage of b