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......

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......

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......

WTA Finals: Gauff Stuns World No 1

IMAGE: Coco Gauff in action during her women's singles semi final match against Belarus' Aryna Sabalenka. Photograph: Aleksandra Szmigiel/Reuters American Coco Gauff defeated world number one......

WTA Finals: Sabalenka to end year as World No.1!

IMAGE: Chennai Super Kings players celebrate a wicket against Kolkata Knight Riders. Photograph: BCCI Coco Gauff beat defending champion Iga Swiatek 6-3 6-4 at the WTA Finals in Riyadh on Tuesday......