France's Jo-Wilfried Tsonga returns the ball to Carlos Berlocq of Argentina during the Davis Cup's quarter final match at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Jo-Wilfried Tsonga won the match. (Xinhua/Martin Zabala)

France's Jo-Wilfried Tsonga returns the ball to Carlos Berlocq of Argentina during the Davis Cup's quarter final match at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Jo-Wilfried Tsonga won the match. (Xinhua/Martin Zabala)

France's Jo-Wilfried Tsonga celebrates after the Davis Cup's quarter final match against Carlos Berlocq of Argentina at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Jo-Wilfried Tsonga won the match. (Xinhua/Martin Zabala)

Argentina's Juan Monaco celebrates after the Davis Cup's quarter final match against Gilles Simon of France at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Juan Monaco won the match. (Xinhua/Martin Zabala)

France's Jo-Wilfried Tsonga (L) celebrates with team's captain Arnaud Clement after the Davis Cup's quarter final match against Carlos Berlocq of Argentina at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Jo-Wilfried Tsonga won the match. (Xinhua/Martin Zabala)

France's Jo-Wilfried Tsonga celebrates after the Davis Cup's quarter final match against Carlos Berlocq of Argentina at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Jo-Wilfried Tsonga won the match. (Xinhua/Martin Zabala)

Argentina's Juan Monaco reacts during the Davis Cup's quarter final match against Gilles Simon of France at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Juan Monaco won the match. (Xinhua/Martin Zabala)

France's Jo-Wilfried Tsonga (Back) celebrates with his teammates after the Davis Cup's quarter final match against Carlos Berlocq of Argentina at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Jo-Wilfried Tsonga won the match. (Xinhua/Martin Zabala)

Argentina's Juan Monaco returns the ball to Gilles Simon of France during the Davis Cup's quarter final match at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Juan Monaco won the match. (Xinhua/Martin Zabala)

Argentina's Juan Monaco celebrates after the Davis Cup's quarter final match against Gilles Simon of France at Mary Teran de Weiss Stadium in Buenos Aires, capital of Argentina, on April 5, 2013. Juan Monaco won the match. (Xinhua/Martin Zabala)