Pan Pacific Open: Naomi Osaka stunned by 18-year-old Mia Pohankova and knocked out in front of home crowd in Tokyo
Japans Naomi Osaka stunned in front of home crowd as she is knocked out by Slovakian teenager Mia Pohankova in Tokyo exit; You can watch the WTA Pan Pacific Open, WTA Guangzhou Open, ATP Swiss Indoors and ATP Vienna Open live on Sky Sports Tennis
