Jannik Sinner defeated Holger Rune in four sets at the Australian Open after experiencing a health scare during the match.

Jannik Sinner is through to the Australian Open quarterfinals after a drama-filled fourth-round win over Holger Rune. World ...

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

Defending champion Jannik Sinner battled dizzy spells on Monday in energy-sapping heat to reach the Australian Open ...

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

Jannik Sinner will part ways with veteran coach Darren Cahill after this season, the world's top-ranked tennis player ...

Defending champion Jannik Sinner’s consecutive-sets streak has ended in the second round of the Australian Open.

Defending champion Jannik Sinner lost his first set since October but recovered to beat Tristan Schoolkate and reach the ...

Swiatek, Svitolina, Keys, Sonego and Shelton also make it through to the last-eight stage on a hot day in Melbourne.

He refuses to say exactly what is wrong with him, only that he is “not there health-wise” and has been “a bit dizzy at times” ...

World No. 1 Jannik Sinner braved a scary medical episode Monday in his 6-3, 3-6, 6-3, 6-2 win over Holger Rune in the fourth ...

Defending Australian Open champion Jannik Sinner has returned to the quarterfinals, navigating an illness and multiple delays during a 6-3, 3-6, 6-3, 6-2 win over No. 13 seed Holger Rune.