Tennis: 'Stressed' Osaka saves match points to set up all-Asian Australian Open quarter-final

February 14, 2021 3:09 PMMELBOURNE (AFP) - A "very stressed" Naomi Osaka saved two match points to outlast Garbine Muguruza and set up an all-Asian quarter-final against Chinese Taipei's Hsieh Su-wei at the Australian Open on Sunday (Feb 14).