American 15-year-old super star, Coco Gauff produced a superb performance after she knocks out defending Australian Open champion Naomi Osaka on Friday.

Gauff proved her great quality has she produced a complete performance to beat her for the loss of three games at the US Open as she completed a stunning 6-3 6-4 success.

Coco Gauff expression: I am stunned by her achievement. Two years ago I lost first round in juniors, and now I’m here. This is crazy.

Gauff is through to the fourth round of a Grand Slam for the second time in her career, after reaching the same stage on her major debut last year at Wimbledon .