The season-long Porsche Race to Shenzhen is over and it's Australia's 23-year-old phenom Ashleigh Barty who takes the checkered flag. The World No.1 joins the WTA Insider Podcast to reflect on her standout season, which saw her win three titles on three different surfaces, including her maiden major at Roland Garros and Premier Mandatory at the Miami Open, and finish the regular season as the tour leader in match wins.