First came the medical timeouts, one each for Jannik Sinner and Holger Rune with the temperature above 90 degrees Fahrenheit (32 Celsius) at the Australian Open. Then came the bizarre sight of a 20-minute delay because the net at Rod Laver Arena detached from the court after being hit by a big Sinner serve.

WORLD number one Jannik Sinner was seen trembling in worrying scenes during the Australian Open. The incident occurred during his fourth round win over Holger Rune at the Rod Laver Arena today.

There were extraordinary scenes at the Australian Open as Jannik Sinner broke the net with a serve during his last 16 match.