Katie Boulter victory marks historic moment for Britain at the Australian Open

British No.1 Katie Boulter defeated Rebecca Marino 6-4 3-6 7-5 (Picture: Getty)Katie Boulter’s victory over Rebecca Marino at the Australian Open has secured a slice of history for Great Britain at the Grand Slam tournament.It marks the first time six British players have reached the second round at Melbourne Park across the men’s singles and women’s singles.The other five players to reach the second round include Emma Raducanu, Harriet Dart, Jodie Burrage, Jack Draper and Jac