10sBalls Shares A Photo Gallery Of Nishikori, Osaka, & More At The Mutua Madrid Open Tennis

Kei Nishikori of Japan in action against Stan Wawrinka of Switzerland during their third round match of the Mutua Madrid Open tennis tournament at the Caja Magica complex in Madrid, Spain, 09 May 2019. EPA-EFE/FERNANDO VILLAR

 

Naomi Osaka of Japan in action against Belinda Bencic of Switzerland during their quarter final match of the Mutua Madrid Open tennis tournament at the Caja Magica complex in Madrid, Spain, 09 May 2019. EPA-EFE/KIKO HUESCA

 

Gael Monfils of France in action against Roger Federer of Switzerland during their third round match of the Mutua Madrid Open tennis tournament at the Caja Magica complex in Madrid, Spain, 09 May 2019. EPA-EFE/Kiko Huesca

 

Belinda Bencic of Switzerland in action against Naomi Osaka of Japan during their quarter final match of the Mutua Madrid Open tennis tournament at the Caja Magica complex in Madrid, Spain, 09 May 2019. EPA-EFE/KIKO HUESCA

 

Rafael Nadal of Spain in action during his match against Frances Tiafoe of US at the Mutua Madrid Open tennis tournament in Madrid, Spain, 09 May 2019. EPA-EFE/KIKO HUESCA

 

Simona Halep of Romania celebrates after defeating Ashleigh Barty of Australia in their quarter final match of the Mutua Madrid Open tennis tournament at the Caja Magica complex in Madrid, Spain, 09 May 2019. EPA-EFE/FERNANDO VILLAR