Gael Monfils advanced to the second round of the 2026 US Open after defeating Adolfo Daniel Vallejo 2-6, 6-1, 6-2, 6-0. Next up, Monfils takes on Learner Tien at Louis Armstrong Stadium on September 3.

Fans inside Louis Armstrong Stadium did not want Gael Monfils’ U.S. Open run to end. But that it did Thursday night in the second round against 14th-seeded American Learner Tien, who took a 6-3, 6-4,

Gael Monfils se quedó en medio de la cancha e hizo una reverencia ante el público, que le brindaba al francés una estruendosa ovación por su 40mo cumpleaños. El

Gael Monfils has his next chapter sorted. The 40-year-old revealed after his US Open exit that he has already signed a job in finance.

The French showman’s 22-year grand slam career ended in a 6-3, 6-4, 6-3 defeat to 20-year-old American Learner Tien

Gael Monfils looked every bit the ageless wonder on his 40th birthday in his first round US Open victory under the lights at Armstrong Stadium on September 1, 2026.

Gael Monfils beat Adolfo Daniel Vallejo on his 40th birthday to become the oldest man to win a US Open match since Ken Rosewall in 1977.

The greatest showman in tennis is set to begin his final run on the sport’s biggest stage. Gael Monfils, 40, has announced that he will retire at the end of the 2026 campaign, meaning that Tuesday’s matchup against Adolfo Daniel Vallejo could be the Frenchman’s last appearance at the US Open.