MELBOURNE, Australia — It's not often that a man is able to follow up his first Grand Slam title by repeating as the champion at the same tournament a year later, which is what Jannik Sinner ...

World No. 1 Jannik Sinner is 14-0 against Americans in Grand Slam tournaments. Can No. 21 Ben Shelton snap the streak? The two will face off in the Australian Open semifinals on Friday ...

World No. 1 Jannik Sinner earned his second consecutive Australian Open title with a 6-3, 7-6 (7-4), 6-3 victory against No. 2 Alexander Zverev. The 23-year-old made history as the first Italian ...

Defending Australian Open champion Jannik Sinner stumbled early Thursday, losing a set for the first time in three months, but recovered his composure to defeat Aussie wild card Tristan Schoolkate ...