Naomi Osaka poses with the Australian Open trophy after her win over Petra Kvitova. AP Photo
Naomi Osaka poses with the Australian Open trophy after her win over Petra Kvitova. AP Photo
Naomi Osaka beats Petra Kvitova to win Australian Open and become new world No 1
Japanese 21-year-old has now won the two most recent grand slam titles
Agence France Presse
26 January, 2019