Sports Australian Open 2021 Day 7 Live Updates: Osaka defeats Muguruza to advance to quarterfinals, Vandrousova bows out News Desk February 14, 2021 Australian Open 2021 Day 7 Live Updates: Title favourite and 3rd seed Naomi Osaka came back from the brink to defeat Gabrine Muguruza of Spain at the Australian Open 2021 …