PIX: Medvedev outlasts Zverev to book Sinner showdown in Melbourne final

IMAGE: Italy's Jannik Sinner celebrates winning his semi final match against Serbia's Novak Djokovic. Photograph: Eloisa Lopez/Reuters Jannik Sinner downed defending champion Novak Djokovic 6-1,......

Giant killers Chung and Sandgren primed for big battle in Australian Open

IMAGE: Tennys Sandgren of the US in action. Photograph: Toru Hanai/Reuters The Australian Open will lose one of its giant killers when South Korean Chung Hyeon meets American Tennys Sandgren......

Nishikori vs Chung: Asian eyes on Paris

‘I'm looking for him, because he's really good. And he's number one in Asia and he's top 10’ IMAGE:  Kei Nishikori of Japan hits a forehand. Photograph: Adam Pretty/Getty Images......

Next Gen crown for Italian wildcard Sinner

IMAGE: Italy's Jannik Sinner, left, is congratulated by Alex de Minaur of Australia after his win in the final of the Next Gen ATP Finals, at Allianz Cloud, in Milan, on Saturday. Photograph:......

Federer cruises, Tsitsipas falls in Cincinnati

IMAGE: Roger Federer said taking the fight to his opponent is a key to his continued success. Photograph: Aaron Doster-USA TODAY Sports/Reuters Roger Federer cruised to a 6-4, 6-4 win over Peter......