Sinner extends US Open winning streak to 23 matches, while Gauff and Swiatek also advance.

Jannik Sinner, the reigning men's champion, advanced to the US Open third round, defeating Alexei Popyrin 6-3, 6-2, 6-2, extending his Grand Slam winning streak on hard courts to 23 matches. Coco Gauff persevered through a tough match to beat Donna Vekic 7-6 (7/5), 6-2, while Iga Swiatek narrowly won against Suzan Lamens 6-1, 4-6, 6-4. Both Gauff and Swiatek will continue their title bids in the tournament.