The world No. 1 and three-time Grand Slam champion lags behind her contemporaries in endorsements despite standing atop her ...

She beat four top-10 opponents, including No. 1 Aryna Sabalenka and No. 2 Iga Świątek ... The Czech Republic—Czechia—is the ...

Madison Keys of the United States has upset two-time defending champion Aryna Sabalenka of Belarus 6-3, 2-6, 7-5 in the ...

Rock Island native Madison Keys has upset two-time defending champion Aryna Sabalenka of Belarus 6-3, 2-6, 7-5 in the ...

Keys said she first tried speaking with a sports psychologist when she was around 18 or 19, then tried working with others.

Ranked 14th and seeded 19th, the 29-year-old American upsets top-ranked two-time defending champion Aryna Sabalenka in three ...

Madison Keys, right, of the U.S. is congratulated by Aryna Sabalenka, left, of Belarus following the women's singles final at ...

MELBOURNE, Australia — When Madison Keys stepped into Rod Laver Arena at 7:37 p.m. on Saturday night ahead of the Australian ...

Madison Keys was hitting swinging volleys at the Quad City Tennis Club long before her coaches were even teaching it.

She is the oldest woman to become a first-time Slam champ since Flavia Pennetta was 33 at the 2015 U.S. Open. This was the ...