Sinner vows to play US Open after Cincy retirement
Jannik Sinner insisted on Monday he would be ready to defend his US Open crown after illness forced him to retire from his Cincinnati Open final clash with Carlos Alcaraz.World number one Sinner -- who is due to to play in the US Open's revamped mixed doubles tournament on Tuesday -- conceded defeat to Alcaraz on Monday after going 5-0 down in the first set.
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