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

You can watch the Sinner vs Zverev live stream for free with English-language commentary on the 9Now streaming service in ...

Madison Keys of the United States has upset two-time defending champion Aryna Sabalenka of Belarus 6-3, 2-6, 7-5 in the ...

Novak Djokovic retired mid-game during his semi-final clash with Alexander Zverev, who'll now face world No.1 Jannik Sinner ...