German player Tobias Kamke returns the ball to French player Jo-Wilfried Tsonga during their singles match in the quarterfinals of the Davis Cup between France and Germany, in Nancy, eastern France, Sunday April 6, 2014.(AP Photo/Remy de la Mauviniere)
French tennis player Jo-Wilfried Tsonga gets encouragement from teammates during his single match against German player Tobias Kamke, in the quarterfinals of the Davis Cup between France and Germany, in Nancy, eastern France, Sunday, April 6, 2014. (AP Photo/Remy de la Mauviniere)
French tennis player Jo-Wilfried Tsonga, right, gets encouragements from French team coach Arnaud Clement, left, during his single match against German player Tobias Kamke, in the quarterfinals of the Davis Cup between France and Germany, in Nancy, eastern France, Sunday April 6, 2014.(AP Photo/Remy de la Mauviniere)
Jo-Wilfried Tsonga, of France, reacts after a play against Marcos Baghdatis, of Cyprus, during the Sony Open tennis tournament, Sunday, March 23, 2014, in Key Biscayne, Fla. Tsonga won 4-6, 7-6(6), 7-5. (AP Photo/Luis M. Alvarez)