US Open 2025 women's singles winner Aryna Sabalenka paid tribute to her opponent, Amanda Anisimova, after defeating her in the final. The World No. 1 tennis star, 27, successfully defended the US Open championship that she originally won last year at the Billie Jean King National Tennis Center in Queens, New York, on Saturday, September 6, with a final score of 6-3 and 7-6 in straight sets. This historic victory made Sabalenka the first woman to defend her US Open championship since Serena Williams in 2014.