Alexander Zverev's season is taking a very negative direction after his defeat to Jannik Sinner in the Australian Open final.

American Learner Tien knocked out No. 1 seed Alexander Zverev, while three players exited citing stomach issues.

Jannik Sinner reigns strongly on the ATP throne ... The German collected miserable 200 ATP points in Buenos Aires, Rio de ...

Australia’s top-10 star remains disappointed with the secretive nature of the investigation into, and subsequent deal with, ...

Alexander Zverev has broken his silence on his bizarre exit at the ATP 500 event in Acapulco last week. He suffered an ...

Alexander's latest setback came against the 19-year-old Learnen Tien in the second round in Acapulco. A teenager ousted the ...

Casper Ruud's comments on Jannik Sinner were first relayed, then finally denied by the player himself. Journalist Ben ...

Casper Ruud expressed his thoughts on Jannik Sinner’s doping case – and settlement – yesterday in Acapulco. The World No.5 ...

LAS VEGAS — With Jannik Sinner serving a doping suspension ... Then Fritz pulled out of this week’s tournament in Acapulco. Tommy Paul also was slated to participate.

Alexander Zverev has given his honest take on his and Carlos Alcaraz’s potential bid for the World No. 1 spot during Jannik Sinner’s absence.

Jannik Sinner cannot play on the ATP Tour for the next two months but remains the world No. 1 in the current rankings. Sinner ...

World number two Alexander Zverev, beaten by Tallon Griekspoor in his Indian Wells opener, said "terrible" play has pushed ...