Defending Australian Open champion Jannik Sinner stumbled early Thursday ... I can improve, yes, but I'll take it." Danielle ...

American Danielle Collins is out of the Australian Open following a straight-sets defeat by fellow countrywoman Madison Keys.

Jannik Sinner has announced that he will part ways with his coach Darren Cahill at the end of the season. The Australian, who ...

Danielle Collins keeps perspective after falling to fellow American Madison Keys in the third round of the Australian Open ...

Defending champion Jannik Sinner raced to victory at the Australian Open to sweep into the last 16 as Iga Swiatek demolished ...

Defending Australian Open champion Jannik Sinner stumbled early Thursday ... Coco Gauff 'confident' in bid for second Grand Slam title Danielle Collins gave the hostile crowd a roasting after ...