Fritz is far from the only player on the ATP Tour who is unhappy with the quality of tennis balls over the past few years.

Zverev got his spot in the Australian Open final — play is scheduled to start at 7:30 ... I know that I have things still to ...

Jannik Sinner is world No. 1 -- and the defending Australian Open champion. Can Alexander Zverev upset him? Our experts weigh ...

Madison Keys pulled off a stunning victory, while Jannik Sinner charged to a convincing title defense. Plus, Paula Badosa and ...

The win sets up a showdown with Alexander Zverev of Germany in Sunday’s final. Earlier Friday, Zverev won the first set of ...

Facing Sinner reminded Alexander Zverev of trying to solve the challenge presented by the 24-time major champion Djokovic.

World No. 1 Jannik Sinner defended his Australian Open title on Sunday, comfortably defeating Alexander Zverev 6-3, 7-6(4), 6 ...

Yes, Aryna Sabalenka is the heavy favorite to win her third straight Australian Open title, but Madison Keys is playing ...

MELBOURNE, Australia — Jannik Sinner beat Alexander Zverev 6-3, 7-6 (4), 6-3 in the Australian Open final at Melbourne Park ...

An injured Novak Djokovic has quit after dropping the first set of his Australian Open semifinal against Alexander Zverev.

Defending champion Jannik Sinner overcame some third-set cramping and beat Ben Shelton to return to the Australian Open final ...