MELBOURNE, Australia (AP) — 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.

Jannik Sinner of Italy is seen during a medical time out during his round 4 match against Holger Rune of Denmark during the 2025 Australian Open at Melbourne Park in Melbourne, Monday, January 20 ...

Jannik Sinner, the world No 1 and defending champion, looked to be heading out of the Australian Open until he was rescued by a controversial medical timeout. On the hottest day of the tournament ...

World No. 1 Jannik Sinner fought through blistering heat and an undisclosed ailment to defeat Holger Rune 6-3, 3-6, 6-3, 6-2 and advance to the quarterfinals of the Australian Open on Monday.