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.

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.

Jannik Sinner has withdrawn from the U.S. Open mixed doubles, which begins Aug. 19 in New York. The men’s world No. 1 in singles retired after five games of his Cincinnati Open final against Carlos Alcaraz due to illness, and will recover before preparing for the U.S. Open singles.

World No. 1 Jannik Sinner is officially out of the U.S. Open Mixed Doubles tournament after falling ill in Cincinnati. The Italian retired down 5-0 against Carlos Alcaraz in the Cincinnati Open final on Monday and was due to play Mixed Doubles Tuesday with partner Kateřina Siniaková in New York.

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

Raducanu laughed off rumours of a blossoming romantic relationship with Alcaraz earlier this summer, insisting the two stars are ‘just friends’. If Raducanu and Alcaraz do fea

Sinner confirmed he came into the final struggling with illness and realised he could not continue after five games