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.

Viewers in the UK can watch the mixed doubles at the US Open live on Sky Sports Tennis. The event is being streamed on ESPN in the United States. The full 16-team field was decided by the top-8 singles rankings combined, and eight wildcard picks.

The tennis superstars had a blast playing mixed doubles together at the US Open. Raducanu's reply to Alcaraz's Instagram post will have fans speculating.

The tennis world has gone into a frenzy after Carlos Alcaraz and Emma Raducanu teamed up at the US Open, as rumors continue to swirl that they may be the sport’s newest power couple.

Tennis fans got treated to pure magic at the US Open mixed doubles, but sometimes even wizardry can’t save you from a disappointing exit. Carlos Alcaraz pulled off what might be the shot of the tournament – maybe the year – leaving his partner Emma Raducanu looking like she’d just witnessed actual sorcery.