Naomi Osaka was 'so mad' at Australian Open rival as star gets revenge
Naomi Osaka has admitted she was out for “revenge” against Karolina Muchova at the Australian Open. The two-time former champion came from a set down to beat the Czech star on Wednesday - months after Muchova ousted her from the US Open. Afterwards, Osaka explained why she was “so mad” the last time the world No. 20 beat her.