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.

Follow scores and live text updates from the US Open mixed doubles as Jack Draper and Jessica Pegula take on Mirra Andreeva and Daniil Medvedev in the quarter-finals.

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.

Carlos Alcaraz and Emma Raducanu face off against Jessica Pegula and Jack Draper in the Mixed Doubles first round today, Aug. 19, at approximately 2:40 p.m. ET. The first day of the US Open Mixed Doubles tournament is airing on the ESPN+ streaming service.

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

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

Emma Raducanu and Carlos Alcaraz might have lost in the revamped US Open mixed doubles - but they win the hearts of the New York crowd.

Andrea Vavassori took aim at US Open organisers for not allowing doubles players to enter the revamped mixed doubles event after getting a win with Sara Errani on Tuesday. The tournament has been given an overhaul this year, being played over two days in the week before the US Open gets underway.