Coco Gauff beat Venus Williams in the first round of the Australian Open. Photograph: Scott Barbour/EPA

Coco Gauff defeated Venus Williams again in the first round of the Australian Open. The 15-year-old’s success in the first round at Wimbledon last su(...)

Germany’s Angelique Kerber looks on after losing her first-round match against Russia’s Anastasia Potapova at the  French Open at  Roland Garros. Photograph: Kai Pfaffenbach/Reuters

Wimbledon champion Angelique Kerber’s French Open challenge lasted little over an hour as she was sent packing by Russian teenager Anastasia Potapova (...)