Coco Gauff has made improvements to her serving and her forehand. And the strides in both of those areas are among the reasons she's considered one of the few women ready to challenge two-time defending champion Aryna Sabalenka for the title at the Australian Open.

Coco Gauff dropped a set but came back to beat Belinda Bencic and reach the Australian Open quarterfinals. Gauff struggled with her shots in the opening set before dominating down