Blue clay used at Madrid Masters this year has been banned by the ATP for all 2013 World Tour events . Rafael Nadal and Novak Djokovic voiced disapproval after losing matches on surface . The announcement was made after a meeting of the ATP Board of Directors in London on Saturday . Score: 6
Blue clay used at Madrid Masters this year has been banned by the ATP for all 2013 World Tour events . Rafael Nadal and Novak Djokovic voiced disapproval after losing matches on surface . Score: 6