Eliminated in the knockout stage Naomi Osaka, defending champion, lost her place of world No.1

Naomi Osaka also loses its place of world No.1. She will be replaced Monday at the top of the hierarchy of the WTA by the Australian Ashleigh Barty, laureate at Roland Garros and current N.2, also eliminated in the round of 16.

Belinda Bencic will face in the quarterfinals is the Croatian Donna Vekic (WTA 23) is the German Julia Goerges (WTA 30).

Belinda BencicThe 22-year-old is in the quarter-finals of the US Open for the second time after 2014. She was stopped in the first round last year.

Naomi Osaka, 21, won her first Grand Slam title by beating the American Serena Williams in the final a year ago. She had chained with a title at the Australian Open in January, but was eliminated in the third round at Roland Garros and the first round at Wimbledon.