Naomi Osaka beats Petra Kvitova to win Australian Open
Naomi Osaka beat Petra Kvitova 7-6 (2), 5-7, 6-4 to win the Australian Open.
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Petra Kvitova
Petra Kvitova undergoes surgery following attack
Petra Kvitova has had to undergo surgery to her left hand after fighting off an intruder who held a knife
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