Defending Australian Open champion Jannik Sinner stumbled early Thursday ... I can improve, yes, but I'll take it." Danielle Collins gave the hostile crowd a roasting after beating local favorite ...

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 ...

American Danielle Collins has been bundled out of ... Meanwhile, men's world number one Jannik Sinner advanced to the fourth round with a straight-sets win, while Alex de Minaur also progressed ...

American women's 10th seed Danielle Collins will expect a hostile ... Men's world number one Jannik Sinner advanced to the fourth round of the Australian Open with a straight-sets win, while ...