(CNN) — Coco Gauff fought through a tough second-round match at the Australian Open on Wednesday, defeating Emma Raducanu 6-3 7-6. The 18-year-old Gauff is now unbeaten in seven matches this year having won the ASB Classic in Auckland earlier this month. Against Raducanu, the 2021 US Open champion, she faced arguably her sternest test of the year so […]