All about Australian Open champion Madison Keys

IMAGE: Madison Keys is the second-oldest woman to claim her first Australian Open singles title in the Open era. Photograph: Kim Kyung-Hoon/Reuters Factbox on American Madison Keys, who beat world......

World No 1 Sabalenka named WTA's Player of the Year!

IMAGE: After successfully defending her Australian Open trophy in January, Aryna Sabalenka won the US Open crown in September for her third Grand Slam title. Photograph: Mike Frey-Imagn......

Swiatek accepts one-month suspension after failing doping test

IMAGE: Iga Swiatek tested positive in an out-of-competition sample in August but the ITIA accepted that it was caused by contamination of her medication melatonin. Photograph: Jon Nazca/Reuters......

Sinner and Swiatek's doping scandals tarnish triumphs

IMAGE: Iga Swiatek dazzled with five titles that included her fourth French Open trophy. Photograph: Susan Mullane-USA TODAY Sport/Reuters Jannik Sinner and Iga Swiatek enjoyed a......

Gauff is youngest player since Sharapova to win WTA Finals

IMAGE: USA's Coco Gauff celebrates with the trophy after winning the women's singles final against China's Qinwen Zheng at the WTA Finals in King Saud University Indoor Arena, Riyadh, Saudi......