Jannik Sinner admits he had ‘big luck’ in Australian Open win over Holger Rune - The top seed struggled with illness during a four-set battle at Melbourne Park.

World No.1 Jannik Sinner has struggled in the heat of his fourth-round match at the Australian Open. The defending champion served a double fault to gift Holger Rune the opportunity to serve out the second set, with the 13th seed duly levelling the match at one frame apiece.

Defending champ Jannik Sinner drops set for first time since October, but rallies for win; American Danielle Collins plays villain while advancing.

Sinner powers into the last 16 with an impressive straight-sets victory over unseeded American Marcos Giron. Read more at straitstimes.com.

Defending champion Jannik Sinner’s consecutive-sets streak ended in the second round of the Australian Open on Thursday night, but he advanced with a 4-6, 6-4, 6-1, 6-3 victory over wild-card entry Tristan Schoolkate.

Defending Australian Open champion Jannik Sinner cruised into the third round of the ongoing after early struggles against Tristan Schoolkate of Australia on Thursday (Jan 16). The Italian who was in the headlines for the wrong reasons in the build up to the tournament registered a 4-6,