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......

Djokovic eager to beat Sinner, Alcaraz at Grand Slams

IMAGE: Serbia's Novak Djokovic celebrates with the trophy after winning the final against Italy's Jannik Sinner. Photograph: Guglielmo Mangiapane/Reuters Novak Djokovic is ready to challenge......

PICS: Sinner sets up ATP Finals decider with Fritz

Taylor Fritz is the first American since 2006 to reach the title match at the ATP Finals, winning a slugfest against world No. 2 Alexander Zverev. IMAGE: Jannik Sinner outclassed Norway's Casper......

PIX: Djokovic downs Nadal in final showdown in Saudi

'Thank you Novak for everything for all the moments we shared on court during our careers.'   IMAGE: Serbia's Novak Djokovic and Spain's Rafael Nadal pose after their third place match at the......

Nadal to battle Djokovic one last time...

IMAGE: Rafael Nadal has faced Novak Djokovic in 60 matches - the most in men's tennis - and has triumphed 29 times to the Serb's 31. Photograph: Kai Pfaffenbach/Reuters Rafael Nadal will have one......