Gutsy Naomi Osaka saved two match points to outlast Garbine Muguruza in a tense comeback while Serena Williams was pushed to a decider but ...

Gutsy Naomi Osaka saved two match points to outlast Garbine Muguruza in a tense comeback while Serena Williams was pushed to a decider but prevailed against Aryna Sabalenka in a thriller on Sunday and reach the Australian Open quarter-finals.
Hsieh Su-wei swept into her first Grand Slam quarter-final after 16 years of trying becoming the oldest player to make a last-eight debut in the Open Era.
Third seed Osaka as on the verge of elimination at 3-5, 15-40 on her serve in the third set before rattling off four points in a row.
She then twice broke the serve of the two-time Grand Slam winner Muguruza to prevail 4-6, 6-4, 7-5 in one hour and 55 minutes of gripping action on an empty Rod Laver Arena, devoid of fans for the second day because of coronavirus restrictions.
Japan’s Osaka will now have an all-Asian quarter-final against Chinese Taipei veteran Hsieh Su-wei, who upset 19th seed Marketa Vondrousova 6-4, 6-2 in the fourth round.
The 2019 champion Osaka and Muguruza, last year’s runner-up, have five Grand Slam titles between them but surprisingly had never met on court before. Muguruza had been showing the form that saw her top-ranked in 2017 and she proved a formidable challenge for Osaka, widely...