Raducanu-Alcaraz in controversial new mixed doubles event
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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.
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 Spanish second seed snapped the world number one's 26-match winning streak on hardcourts when his ailing rival signalled he could no longer continue while trailing 5-0 in the first set.