At the Age of 15 Ashleigh won the Wimbledon Girls' Championships of 2011. In 2013 she became one of the most successful WTA deubtants in histroy by reaching the doubles finals of the Australian Open, Wimbledon and US Open with Casey Dellacqua in the same year. In the second half of 2014 she decided to take a break from tennis and switched to cricket in 2015. 2016 Ashleigh resumed to tennis and finished her first top 20 season in 2017. In June 2019 she won her first Grand Slam title at the French Open in Paris. With her tournament victory two weeks later in Birmingham, she became the World No.1 for the first time.