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 womens crown at Flushing Meadows.
Italys Sinner headlines the day three action when he faces unseeded Czech Vit Kopriva at Arthur Ashe Stadium.
Sinner has won two of this seasons 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.