The 2025 US Open was the 145th edition of tennis' US Open, and the fourth and final Grand Slam event of the year. It was held on the outdoor hard courts at the USTA Billie Jean King National Tennis Center in New York City. Jannik Sinner and Aryna Sabalenka were the men's and women's singles defending champions, respectively. While Sabalenka successfully defended her title, Sinner lost in the final to Carlos Alcaraz. This was the final edition of the tournament with Stacey Allaster as its director. US Open 2025: August 24 – September 7, 2025 at USTA Billie Jean King National Tennis Center. Men's singles: Carlos Alcaraz — 6th major title. Women's singles: Aryna Sabalenka — 4th major title. Wiki link