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 leads Italy to second straight Davis Cup crown

IMAGE: Italy's players celebrate with the Davis Cup after victory over the Netherlands in the final at Palacio de Deportes Jose Maria Martin Carpena Arena, Malaga, Spain, on Sunday. Photograph:......

Sinner sends holders Italy into Davis Cup final

IMAGE: Italy's Jannik Sinner stretches for a return during the Davis Cup semi-final against Australia's Alex De Minaur, at Palacio de Deportes Jose Maria Martin Carpena Arena, Malaga, Spain, on......

The dream team: Djokovic and Murray join forces

IMAGE: Britain's Andy Murray shakes hands with Serbia's Novak Djokovic. Photograph: Andrew Couldridge/Reuters Retired tennis great Andy Murray has agreed to join Novak Djokovic's team and......