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.

Emma Raducanu’s mixed doubles adventure concluded after 50 minutes at the US Open, as she and Carlos Alcaraz were defeated by Jessica Pegula and Jack Draper at Flushing Meadows. In their first appearance as a much-hyped duo Raducanu and Alcaraz rarely troubled the competition’s top seeds,

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