Defending champion Jannik Sinner overcame debilitating illness as well as Dane Holger Rune to reach the quarter-finals of the Australian Open for the third time with a 6-3 3-6 6-3 6-2 victory on Monday.
The world number one had looked like continuing his serene progress through the draw when he wrapped up the opening set after 33 minutes on the back of two breaks of serve.
The 23-year-old started to
