First-round Australian Open action continues, with some big names set to hit centre court on Monday, including the most recent women's US Open Grand Slam champion, Coco Gauff. Two-time winner here Naomi Osaka also makes her long-awaited return to the court after taking time off to give birth to her daughter Shai, while men's third seed Daniil Medvedev is also in action.
Here's how Day 2 at the Australian Open unfolded: