Venus Williams outclassed by 15-year-old ‘on a mission to be the greatest’

Coco Gauff surged into the second round in Melbourne with a 7-6 (7/5), 6-3 win [COURTESY]

Fifteen-year-old American Coco Gauff said she's on "a mission to be the greatest" on Monday after stunning veteran Venus Williams once again in the first round of a Grand Slam.

The fast-rising Gauff, ranked 67 in the world, defeated the seven-time Grand Slam winner 7-6 (7/5), 6-3 at the Australian Open.