Day 10: Serena defeated, Pliskova progresses

Day 10 at the AO and the second day of Quarter Final action. Karolina Pliskova defeats Serena Williams, Naomi Osaka downs Svitolina and Lucas Pouille beats Milos Raonic. Plus, we get the lowdown on being a line umpire at the Aus Open, and catch up with tennis legend Daniela Hantuchova. See omnystudio.com/listener for privacy information.See omnystudio.com/listener for privacy information.