Madison Keys ruled out of the Australian Open after testing positive for COVID-19.
American stars Madison Keys, Serena Williams, Sloane Stephens and Amanda Anisimova are all in the same quarter of the draw.
Madison Keys is happy tennis is returning ahead of next week's team exhibition in Charleston.
Belinda Bencic won a tricky encounter against Anna Karolina Schmiedlova while Madison Keys hammered Daria Kasatkina.
Garbine Muguruza, Eugenie Bouchard and Madison Keys continued their excellent starts to 2020 in Shenzhen, Auckland and Brisbane.
Elina Svitolina earns revenge for her 2017 loss to Madison Keys at the US Open by beating her in straight sets in 2019.
Madison Keys explained her recent health scare as she looks to win her first grand slam title in week two of the US Open.
Madison Keys and Elina Svitolina are all set for another intriguing encounter at the US Open after straight-set victories.
Exploring Madison Keys' constant battle with the pressure of being tipped for success from an early age.
Serena Williams versus Maria Sharapova is the headline clash in an intriguing 2019 US Open Women's Singles Draw.
Madison Keys capped an outstanding week by beating Svetlana Kuznetsova in straight sets to take home the Cincinnati title.
Madison Keys set up a intriguing final against Svetlana Kuznetsova with an excellent straight-sets win over Sofia Kenin in the semi-finals.
Can the former top 10 player return to peak form in time for the US Open?
It was a day to forget for two of America's highest ranked women on Tuesday.
The world No.17 shares her thoughts on the newest star of women's tennis.
Madison Keys surprisingly lost in straight sets to Polona Hercog, while Caroline Wozniacki beat Veronika Kudermetova.
Ashleigh Barty, Serena Williams and Angelique Kerber face a tough time at Wimbledon after they were all drawn in the same quarter.
The former US Open champion has vowed not to get too ahead of herself after reaching her seventh grand slam quarter-final at Roland Garros.
Simona Halep played a brilliant decider to power past the considerable challenge provided by Alja Tomljanovic.
Simona Halep suffered a shock early loss in Rome when she was defeated in three sets by Marketa Vondrousova, while Madison Keys also lost.
