{ "story_id": "fefafcd7eb376b1f5d5525414fa9ded9", "desk": "drm3", "revision": 1, "published_at": "2026-09-04T03:46:33.000Z", "content_hash": "6fca71db53c7d3c518cf72d1d9b36989c677703ec84d1e22bff50bced15fadc7", "hash_basis": "sha256 over `headline\\ndek\\nprose`, plus `\\n` + the canonical citations JSON when any source is placed, plus `\\n#blog` for blogs", "basis": { "headline": "Gael Monfils Advances to US Open Second Round on 40th Birthday", "dek": "French tennis star Gael Monfils defeated Adolfo Daniel Vallejo to reach the second round of the US Open on his 40th birthday.", "prose": "Gael Monfils, a French tennis player, defeated Adolfo Daniel Vallejo of Paraguay to advance to the second round of the US Open 2026. [^1]\n\nGael Monfils, 40, defeated Adolfo Daniel Vallejo 2-6, 6-1, 6-2, 6-0 on Tuesday night at the US Open to become the oldest man to win a match at the tournament since Jimmy Connors defeated Jaime Oncins on Sept. 2, 1992. [^2]\n\nGael Monfils announced that he is planning to retire from professional tennis at the end of the 2026 season. [^3]\n\nGaël Monfils lost his final Grand Slam match to Learner Tien in the second round of the US Open on Thursday night with a score of 6-3, 6-4, 6-3. [^4]\n\nGael Monfils turned 40 years old on the day of the match, which was the first round of the US Open tournament. [^5]\n\nMonfils lost the first set 2-6 against Vallejo but won the second set 6-1, the third set 6-2, and the fourth set 6-0. [^6]\n\nThe match between Monfils and Vallejo took place on Tuesday, September 3, 2026, at the USTA Billie Jean King National Tennis Center in New York City. [^7]\n\nGael Monfils plans to retire after the 2026 season and reached the mixed doubles semifinals with his wife, Elina Svitolina, in their first time competing together. [^8]\n\nGael Monfils said to the fans at Louis Armstrong Stadium that playing on his 40th birthday was special and that he wanted to do really good for where he is now. [^9]\n\nGael Monfils, in his 18th US Open appearance, earned his first Grand Slam win since the first round of Wimbledon in 2025. [^10]\n\nLearner Tien, the 20-year-old No 14 seed, defeated Monfils in straight sets on a muggy night at Louis Armstrong Stadium. [^11]\n\nMonfils reached the last four of a Grand Slam tournament only twice in his career, at Roland Garros in 2008 and the US Open in 2016. 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