Italy's Davis Cup team (L-R), Simone Bolelli, Fabio Fognini, captain Corrado Barazzutti, Filippo Volandri and Andreas Seppi, poses after the official draw for the Davis Cup World group match against Argentina in Mar del Plata January 30, 2014. REUTERS/Enrique Marcarian (ARGENTINA - Tags: SPORT TENNIS)

Jo-Wilfried Tsonga of France acknowledges the crowd after winning his men's singles match against Filippo Volandri of Italy at the Australian Open 2014 tennis tournament in Melbourne January 14, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS)

A fan takes a picture of Jo-Wilfried Tsonga of France as he signs autographs after winning his men's singles match against Filippo Volandri of Italy at the Australian Open 2014 tennis tournament in Melbourne January 14, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS)

Jo-Wilfried Tsonga of France celebrates winning his men's singles match against Filippo Volandri of Italy at the Australian Open 2014 tennis tournament in Melbourne January 14, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS)

Filippo Volandri of Italy hits a return during his men's singles match against Jo-Wilfried Tsonga of France at the Australian Open 2014 tennis tournament in Melbourne January 14, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS)

Jo-Wilfried Tsonga of France serves during his men's singles match against Filippo Volandri of Italy at the Australian Open 2014 tennis tournament in Melbourne January 14, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS)

Jo-Wilfried Tsonga of France holds an ice pack to his left leg during his men's singles match against Filippo Volandri of Italy at the Australian Open 2014 tennis tournament in Melbourne January 14, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS)

Jo-Wilfried Tsonga of France hits a return during his men's singles match against Filippo Volandri of Italy at the Australian Open 2014 tennis tournament in Melbourne January 14, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS)

Jo-Wilfried Tsonga of France changes his shirt during his men's singles match against Filippo Volandri of Italy at the Australian Open 2014 tennis tournament in Melbourne January 14, 2014. REUTERS/David Gray (AUSTRALIA - Tags: SPORT TENNIS)

John Isner of the U.S. serves to Filippo Volandri of Italy as the shadows of spectators show on the court at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S. serves to Filippo Volandri of Italy at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S. serves to Filippo Volandri of Italy at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S. serves to Filippo Volandri of Italy at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

A spectator catches some Sun during the match between John Isner of the U.S. and Filippo Volandri of Italy at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

Filippo Volandri of Italy serves to John Isner of the U.S. at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S. serves to Filippo Volandri of Italy at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

John Isner of the U.S. serves to Filippo Volandri of Italy at the U.S. Open tennis championships in New York August 27, 2013. REUTERS/Mike Segar (UNITED STATES - Tags: SPORT TENNIS)

Filippo Volandri of Italy hits a return to Thomaz Bellucci of Brazil during their men's singles match at the Brazil Open tennis tournament in Sao Paulo February 14, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT TENNIS)

Filippo Volandri of Italy serves to Thomaz Bellucci of Brazil during their men's singles match at the Brazil Open tennis tournament in Sao Paulo February 14, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT TENNIS)

Thomaz Bellucci of Brazil hits a return to Filippo Volandri of Italy during their men's singles match at the Brazil Open tennis tournament in Sao Paulo February 14, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT TENNIS)

Spain's Rafael Nadal (L) hits a return next to Argentina's Juan Monaco during their men's doubles match against France's Guillaume Rufin and Italy's Filippo Volandri at the Chilean Open tennis tournament in Vina del Mar February 7, 2013. REUTERS/Eliseo Fernandez (CHILE - Tags: SPORT TENNIS)

Argentina's Juan Monaco (R) hits a return as his teammate Spain's Rafael Nadal looks on, during their men's doubles match against France's Guillaume Rufin and Italy's Filippo Volandri at the Chilean Open tennis tournament in Vina del Mar city February 7, 2013. REUTERS/Eliseo Fernandez (CHILE - Tags: SPORT TENNIS)

Argentina's Juan Monaco (R) hits a return as teammate Spain's Rafael Nadal looks on, during their men's doubles match against France's Guillaume Rufin and Italy's Filippo Volandri at the Chilean Open tennis tournament in Vina del Mar city February 7, 2013. REUTERS/Eliseo Fernandez (CHILE - Tags: SPORT TENNIS)

Argentina's Juan Monaco (R) hits a return next to Spain's Rafael Nadal during their men's doubles match against France's Guillaume Rufin and Italy's Filippo Volandri at the Chilean Open tennis tournament in Vina del Mar February 7, 2013. REUTERS/Eliseo Fernandez (CHILE - Tags: SPORT TENNIS)

Spain's Rafael Nadal hits a return to France's Guillaume Rufin and Italy's Filippo Volandri during his men's doubles match with Argentina's Juan Monaco at the Chilean Open tennis tournament in Vina del Mar February 7, 2013. REUTERS/Eliseo Fernandez (CHILE - Tags: SPORT TENNIS)

Gilles Simon of France reacts during his men's singles match against Filippo Volandri of Italy at the Australian Open tennis tournament in Melbourne January 15, 2013. REUTERS/Tim Wimborne (AUSTRALIA - Tags: SPORT TENNIS)

Gilles Simon of France hits a return to Filippo Volandri of Italy during their men's singles match at the Australian Open tennis tournament in Melbourne January 15, 2013. REUTERS/Tim Wimborne (AUSTRALIA - Tags: SPORT TENNIS)

Gilles Simon of France wipes his face during a break in play in his men's singles match against Filippo Volandri of Italy at the Australian Open tennis tournament in Melbourne January 15, 2013. REUTERS/Tim Wimborne (AUSTRALIA - Tags: SPORT TENNIS)

Filippo Volandri of Italy hits a return to Gilles Simon of France during their men's singles match at the Australian Open tennis tournament in Melbourne January 15, 2013. REUTERS/Tim Wimborne (AUSTRALIA - Tags: SPORT TENNIS)

Filippo Volandri of Italy returns the ball to Tommy Haas of Germany during the French Open tennis tournament at the Roland Garros stadium in Paris May 28, 2012. REUTERS/Regis Duvignau (FRANCE - Tags: SPORT TENNIS)

Filippo Volandri of Italy reacts during his match against Tommy Haas of Germany during the French Open tennis tournament at the Roland Garros stadium in Paris May 28, 2012. REUTERS/Regis Duvignau (FRANCE - Tags: SPORT TENNIS)

Tommy Haas of Germany returns the ball to Filippo Volandri of Italy during the French Open tennis tournament at the Roland Garros stadium in Paris May 28, 2012. REUTERS/Regis Duvignau (FRANCE - Tags: SPORT TENNIS)

Tommy Haas of Germany returns the ball to Filippo Volandri of Italy during the French Open tennis tournament at the Roland Garros stadium in Paris May 28, 2012. REUTERS/Regis Duvignau (FRANCE - Tags: SPORT TENNIS)

Tommy Haas of Germany returns the ball to Filippo Volandri of Italy during the French Open tennis tournament at the Roland Garros stadium in Paris May 28, 2012. REUTERS/Regis Duvignau (FRANCE - Tags: SPORT TENNIS)

Milos Raonic of Canada celebrates defeating Filippo Volandri of Italy during their men's singles match at the Australian Open tennis tournament in Melbourne January 17, 2012. REUTERS/Daniel Munoz (AUSTRALIA - Tags: SPORT TENNIS)

Milos Raonic of Canada hits a return to Filippo Volandri of Italy during their men's singles match at the Australian Open tennis tournament in Melbourne January 17, 2012. REUTERS/Daniel Munoz (AUSTRALIA - Tags: SPORT TENNIS)

Milos Raonic of Canada hits a return to Filippo Volandri of Italy during their men's singles match at the Australian Open tennis tournament in Melbourne January 17, 2012. REUTERS/Daniel Munoz (AUSTRALIA - Tags: SPORT TENNIS)

Filippo Volandri of Italy returns a shot to Florian Mayer of Germany during their Romania Open men's singles semi-final tennis match in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Filippo Volandri of Italy returns a shot to Florian Mayer of Germany during their Romania Open men's singles semi-final tennis match in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Filippo Volandri of Italy reacts during his semi-final match against Florian Mayer of Germany at the Romania Open tennis tournament in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Filippo Volandri of Italy reacts after missing a point as he plays Florian Mayer of Germany during their Romania Open men's singles semi-final tennis match in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Florian Mayer of Germany hits a return against Filippo Volandri of Italy during their semi-final match at the Romania Open in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Florian Mayer of Germany returns a shot to Filippo Volandri of Italy during their Romania Open men's singles semi-final tennis match in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Germany's Florian Mayer reacts after winning his semi-final match against Filippo Volandri of Italy during the Romanian Open in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Florian Mayer of Germany returns a shot to Filippo Volandri of Italy during their Romania Open men's singles semi-final tennis match in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Florian Mayer of Germany reacts after winning the Romania Open men's singles semi-final tennis match against Filippo Volandri of Italy in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

Florian Mayer of Germany reacts after winning the Romania Open men's singles semi-final tennis match against Filippo Volandri of Italy in Bucharest September 24, 2011. REUTERS/Radu Sigheti (ROMANIA - Tags: SPORT TENNIS)

(L-R) Italian Davis Cup team captain Corrado Barazzutti, Fabio Fognini, Potito Starace, Filippo Volandri and Daniele Bracciali are seen during the draw for their upcoming Davis Cup tennis match against Chile in Santiago, September 15, 2011. Chile will face Italy on September 16 to 18. REUTERS/Ivan Alvarado (CHILE - Tags: SPORT TENNIS)

(L-R) Italian Davis Cup team captain Corrado Barazzutti, Fabio Fognini, Potito Starace, Filippo Volandri and Daniele Bracciali are seen as Chilean tennis players (R) Fernando Gonzalez, Paul Capdeville (C rear) and Jorge Aguilar (L rear) arrive during the draw for their upcoming Davis Cup tennis match in Santiago, September 15, 2011. Chile will face Italy on September 16 to 18. REUTERS/Ivan Alvarado (CHILE - Tags: SPORT TENNIS)

Juan Martin del Potro of Argentina hits a return to Filippo Volandri of Italy during their match at the U.S. Open tennis tournament in New York, August 30, 2011. REUTERS/Kena Betancur (UNITED STATES - Tags: SPORT TENNIS)

Juan Martin del Potro of Argentina serves to Filippo Volandri of Italy during their match at the U.S. Open tennis tournament in New York, August 30, 2011. REUTERS/Kena Betancur (UNITED STATES - Tags: SPORT TENNIS)

Juan Martin del Potro of Argentina hits a return to Filippo Volandri of Italy during their match at the U.S. Open tennis tournament in New York, August 30, 2011. REUTERS/Kena Betancur (UNITED STATES - Tags: SPORT TENNIS)

Juan Martin Del Potro of Argentina serves to Filippo Volandri of Italy during their match at the U.S. Open tennis tournament in New York, August 30, 2011. REUTERS/Kena Betancur (UNITED STATES - Tags: SPORT TENNIS)

Juan Martin Del Potro of Argentina blows on a tennis ball while playing Filippo Volandri of Italy during their match at the U.S. Open tennis tournament in New York, August 30, 2011. REUTERS/Kena Betancur (UNITED STATES - Tags: SPORT TENNIS)

Juan Martin Del Potro of Argentina blows on a tennis ball while playing Filippo Volandri of Italy during their match at the U.S. Open tennis tournament in New York, August 30, 2011. REUTERS/Kena Betancur (UNITED STATES - Tags: SPORT TENNIS)

Tomas Berdych of the Czech Republic hits a return to Filippo Volandri of Italy at the 2011 Wimbledon tennis championships in London June 20, 2011. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

A fan wears a Rafael Nadal mask during the match between Tomas Berdych of the Czech Republic and Filippo Volandri of Italy at the 2011 Wimbledon tennis championships in London June 20, 2011. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Filippo Volandri of Italy hits a return to Tomas Berdych of the Czech Republic at the 2011 Wimbledon tennis championships in London June 20, 2011. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Tomas Berdych of the Czech Republic serves to Filippo Volandri of Italy at the 2011 Wimbledon tennis championships in London June 20, 2011. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)

Tomas Berdych of the Czech Republic hits a return to Filippo Volandri of Italy at the 2011 Wimbledon tennis championships in London June 20, 2011. REUTERS/Stefan Wermuth (BRITAIN - Tags: SPORT TENNIS)