Alex de Minaur's heroics against Novak Djokovic have helped Team Australia reach the last four of the United Cup — which other two teams will join the home nation and Team Poland in this weekend's semifinals? Naomi Osaka has made her long-awaited return to professional tennis in Brisbane — she opens up about how her motherhood has changed her outlook on life and has helped her rediscover her love for the game.See omnystudio.com/listener for privacy information.