Australian Open win for 15 year old
Fifteen-year-old American Coco Gauff has beaten Venus Williams in straight sets, 7-6, 6-3, in the opening round of the Australian Open.
Former world number one Williams was also beaten by Gauff at Wimbledon last summer.
Elsewhere in the women's singles draw, seven-time champion Serena Williams progressed - beating Russian teenager Anastasia Potapova in under an hour.
Roger Federer also had a straight sets win, over American Steve Johnson.