Spanish tennis player Rafael Nadal celabrates his victory against his fellow countryman Albert Montanes during their Barcelona Open Banc Sabadell Conde de Godo Trophy third round matchplayed at Royal tennis club in Barcelona, Spain, 21 April 2016. EPA/ANDREU DALMAU

Spanish tennis player Rafael Nadal returns the ball to his fellow countryman Albert Montanes during their Barcelona Open Banc Sabadell Conde de Godo Trophy third round matchplayed at Royal tennis club in Barcelona, Spain, 21 April 2016. EPA/ANDREU DALMAU

Rafael Nadal of Spain returns the ball to Andy Murray of Great Britain during their semi final match at the Monte-Carlo Rolex Masters tournament in Roquebrune Cap Martin, France, 16 April 2016. EPA/SEBASTIEN NOGIER

Spanish tennis player Rafael Nadal serves to countryman Marcel Granollers during their Barcelona Open Banc Sabadell Conde de Godo Trophy second round match in Barcelona, northeastern Spain, 20 April 2016. The tournament runs in Barcelona from 18 until 24 April 2016. EPA/TONI ALBIR

Rafael Nadal of Spain returns the ball to Andy Murray of Great Britain during their semi final match at the Monte-Carlo Rolex Masters tournament in Roquebrune Cap Martin, France, 16 April 2016. EPA/SEBASTIEN NOGIER

Spanish tennis player Rafael Nadal celebrates a point agianst countryman Marcel Granollers during their Barcelona Open Banc Sabadell Conde de Godo Trophy second round match in Barcelona, northeastern Spain, 20 April 2016. The tournament runs in Barcelona from 18 until 24 April 2016. EPA/TONI ALBIR