MELBOURNE, AUSTRALIA - 24 DE ENERO DE 2019: La campeona de Grand Slam Naomi Osaka de Japón en acción durante su partido de semifinales en el Abierto de Australia 2019 en Melbourne Park - Foto e imágenes de stock

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 21, 2019: Grand Slam champion Naomi Osaka of Japan in action during her round of 16 match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 21, 2019: Grand Slam Champion Naomi Osaka of Japan celebrates victory after her round of 16 match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 23, 2019: Grand Slam Champion Naomi Osaka of Japan celebrates victory after her quarterfinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 21, 2019: Grand Slam champion Naomi Osaka of Japan in action during her round of 16 match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 26, 2019: Grand Slam champion Naomi Osaka of Japan in action during her final match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 21, 2019: Grand Slam champion Naomi Osaka of Japan in action during her round of 16 match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 26, 2019: Grand Slam Champion Naomi Osaka of Japan in action during her final match against Petra Kvitova at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 21, 2019: Grand Slam champion Naomi Osaka of Japan in action during her round of 16 match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 26, 2016: Twenty one times Grand Slam champion Serena Williams in action during her quarter final match at Australian Open 2016 at Australian tennis center in Melbourne

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam Champion Naomi Osaka of Japan celebrates victory after her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 26, 2019: Grand Slam Champion Naomi Osaka of Japan in action during her final match against Petra Kvitova at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 26, 2019: Grand Slam Champion Naomi Osaka of Japan in action during her final match against Petra Kvitova at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 24, 2019: Grand Slam champion Naomi Osaka of Japan in action during her semifinal match at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 21, 2019: 23-time Grand Slam Champion Serena Williams of United States in action during her round of 16 match against Simona Halep at 2019 Australian Open in Melbourne Park

MELBOURNE, AUSTRALIA - JANUARY 21, 2019: Grand Slam champion Naomi Osaka of Japan in action during her round of 16 match at 2019 Australian Open in Melbourne Park