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MELBOURNE, AUSTRALIA - JANUARY 26 : Naomi Osaka of  Japan and Petra Kvitova of  the Czech Republic with their trophies after the final on day 13 of the Australian Open on January 26 2019, at Melbourne Park in Melbourne, Australia.(Photo by Jason Heidrich/Icon Sportswire via Getty Images)

MELBOURNE, AUSTRALIA - JANUARY 26 : Naomi Osaka of  Japan and Petra Kvitova of  the Czech Republic with their trophies after the final on day 13 of the Australian Open on January 26 2019, at Melbourne Park in Melbourne, Australia.(Photo by Jason Heidrich/Icon Sportswire via Getty Images)