World set Osaka broke - injured ten days before the US Open
Naomi Osaka took over as a world player from Ashleigh Barty last week. Today she was forced to break the quarterfinals against Sofia Kenin in Cincinnati with pain in her left knee. Unfortunately, the injury comes just ten days before the US Open begins.
Serena Williams has back problems and did not even get started in the WTA tournament in Cincinnat.
For world champion Naomi Osaka, the tournament ended in the quarterfinals against Sofia Kenin on Friday.