A powerful serve from Jannik Sinner put the net at Melbourne's Rod Laver Arena to the test. In the fourth set, with the South Tyrolean player trailing 1-0 (but leading two sets to one), the

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-min

Defending champion Jannik Sinner has defeated 46th-ranked Marcos Giron of the U.S. 6-3, 6-4, 6-2 at the Australian Open.