Madison Keys (born February 17, 1995) is an American professional tennis player. She has been ranked as high as world No. 7 by the WTA, achieved on 10 October 2016. Keys is the champion at the 2025 Australian Open and a finalist at the 2017 US Open. She has won ten WTA Tour titles, including a WTA 1000 event at the 2019 Cincinnati Open. Keys was inspired to start playing tennis after watching Venus Williams at Wimbledon on TV. Originally from the Quad Cities, she moved to Florida to train at the Evert Tennis Academy. Keys turned professional on her 14th birthday, becoming one of the youngest players to win a WTA Tour level match a few months later. Keys first entered the top 100 of the WTA rankings in 2013 at the age of 17. She had her first breakthrough at a major in early 2015 when she reached the semifinals of the Australian Open as a teenager.
Known for a fast serve and one of the most powerful forehands in the game, Keys has used her aggressive playing style to become one of the leaders of her generation of American tennis, alongside Sloane Stephens, CoCo Vandeweghe, and Sofia Kenin. She debuted in the top 10 of the WTA rankings in 2016, becoming the first American woman to realize this milestone since Serena Williams 17 years earlier. When Keys and Stephens faced off against each other in the 2017 US Open final, they became the first American women other than the Williams sisters to contest a major singles final since 2005. Keys has had success on all surfaces, winning at least one title on each and having reached at least the quarterfinals of all four majors.
In 2025, Keys won the women's singles champion in 2025 Australian Open as her maiden grand slam, defeating two-time defending champion and world No. 1 Aryna Sabalenka in the final and world No. 2 Iga Świątek in the semifinal.
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