Jubilant Monfils celebrates birthday with US Open win Sports · 2026-09-02 04:01:44 Sources Yahoo Sports: Gael Monfils Joins Federer and Djokovic in Exclusive Grand Slam Milestone Yahoo Sports: Jubilant Monfils celebrates birthday with US Open win Yahoo Sports: Monfils celebrates 40th birthday with special US Open win BBC Sport: Monfils celebrates 40th birthday with special US Open win