Coco Gauff stun Naomi Osaka as Serena Williams hopes of 8th Australian open were dashed.
Coco Gauff stun defending champion Naomi Osaka after Serena Williams crashed out of the Australian Open and Caroline Wozniacki retired....
Osaka
Coco Gauff stun defending champion Naomi Osaka after Serena Williams crashed out of the Australian Open and Caroline Wozniacki retired....