"gael-monfils"

Gael Monfils celebrated his 40th birthday with a vintage four-set victory over Adolfo Daniel Vallejo at the US Open. The Frenchman, playing his 18th and final appearance at the hard-court major, advanced to the second round against Learner Tien.

Monfils advances by taking the last two sets from the second-seeded Alcaraz, who called the loss his "worst match"