The World No. 1, despite feeling unwell in sweltering conditions, kept up his title defense with a four-set triumph.

In the quarterfinals, Sinner will face No. 8 Alex de Minaur of Australia, who ousted American Alex Michelsen 6-0, 7-6 (5), ...

Defending champion Jannik Sinner has moved into the quarterfinals at the Australian Open after beating Holger Rune in a match ...

Jannik Sinner will face his trickiest test yet at the Australian Open when the defending champion battles Dane Holger Rune in ...

Jannik Sinner moved into the Australian Open quarterfinals Monday by eliminating Holger Rune in a match paused by medical ...

First came the medical timeouts, one each for Jannik Sinner and Holger Rune with the temperature above 90 degrees Fahrenheit ...

Nothing comes easily between the Italian and the Dane. The first two times they played, Rune won in three sets. The last two times they played, it was Sinner who won in three. Two of those matches ...

Jannik Sinner will face his trickiest test yet at the Australian Open when the defending champion battles Dane Holger Rune in ...

MELBOURNE, Australia (AP) — First came the medical timeouts, one each for Jannik Sinner and Holger Rune with the temperature ... Sonego will now face No. 21 Ben Shelton of the U.S. or Gael ...

Australian Open latest score and updates from blockbuster quarter-final - Sinner booked his place in the semi-finals with a 6 ...