World number one Jannik Sinner opens his bid for back-to-back US Open titles on Tuesday as former champions Iga Swiatek and Coco Gauff set out to reclaim the women’s crown at Flushing Meadows.

Italy’s Sinner headlines the day three action when he faces unseeded Czech Vit Kopriva at Arthur Ashe Stadium.

Sinner has won two of this season’s three Grand Slams, the Australian Open and Wimbledon, while also reaching the final of the French Open in June where he lost an epic to Carlos Alcaraz in a fifth-set tiebreak.

The 24-year-old defending champion is a heavy favourite in New York, where he is aiming to become the first man to repeat since Roger Federer capped a remarkable run of five straight championships in 2008.

His preparations for the US Open were blown off course last week when illn

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