Spanish tennis player Tommy Robredo returns to Chinese Yen-Hsun Lu during their Valencia Open 500 tennis tournament’s round of sixteen match in Valencia, Spain, 22 October 2014. EPA/KAI FOERSTERLING

Czech Tomas Berdych serves against Spaniard Pablo Andujar during their Valencia Open 500 tennis tournament’s first round match in Valencia, eastern Spain, 22 October 2014. EPA/Kai Foersterling

British tennis player Andy Murray reacts after a winning point against against Austrian Jurgen Meltzer during their Valencia Open 500 tennis tournament’s first round match in Valencia, eastern Spain, 22 October 2014. EPA/Kai Foersterling

Spanish Tommy Robredo returns to US tennis player John Ishner during a second round match of the Valencia Open 500 at Agora tennis court at the City of Arts and Science in Valencia, Spain, 21 October 2014. EPA/KAI FORSTERLING

Spanish former tennis player Juan Carlos Ferrero, director of Valencia Open 500 ATP, addresses a press conference to present the 12th edition of the tennis tournament at Arts and Sciences City’s Agora in Valencia city, eastern Spain, 03 October 2014. Valencia Open 500 ATP will run from 18 to 26 october 2014. EPA/GUSTAVO GRILLO

Spanish tennis player Feliciano Lopez serves to Slovak Norbert Gombos during thier first round match of the Valencia Open 500 tennis tournament in Valencia, Spain, 21 October 2014. EPA/KAI FORSTERLING