Gustavo Kuerten of Brazil smiles as he receives a trophy, containing a slice of clay court, after his match against Paul-Henri Mathieu of France at the French Open tennis tournament at Roland Garros stadium in Paris May 25, 2008. Kuerten's French Open career came to an emotional end on Sunday when he lost 6-3 6-4 6-2 to Mathieu in the first round of the tournament that made his name. Kuerten has said the French Open would be the last tournament of his farewell tour that started in Costa Do Sauipe, Brazil, in February. REUTERS/Regis Duvignau (FRANCE) 

Gustavo Kuerten of Brazil cries as he receives a trophy, containing a slice of clay court, after his match against Paul-Henri Mathieu of France at the French Open tennis tournament at Roland Garros stadium in Paris May 25, 2008. Kuerten's French Open career came to an emotional end on Sunday when he lost 6-3 6-4 6-2 to Mathieu in the first round of the tournament that made his name. Kuerten has said the French Open would be the last tournament of his farewell tour that started in Costa Do Sauipe, Brazil, in February. REUTERS/Regis Duvignau (FRANCE) 

Gustavo Kuerten of Brazil smiles during a news conference ahead of the French Open tennis tournament at the Roland Garros stadium in Paris May 24, 2008. REUTERS/Francois Lenoir (FRANCE) 

Gustavo Kuerten of Brazil holds a news conference ahead of the French Open tennis tournament at the Roland Garros stadium in Paris May 24, 2008. REUTERS/Francois Lenoir (FRANCE) 

Gustavo Kuerten of Brazil holds a news conference ahead of the French Open tennis tournament at the Roland Garros stadium in Paris May 24, 2008. REUTERS/Francois Lenoir (FRANCE) 

Gustavo Kuerten of Brazil smiles during a news conference ahead of the French Open tennis tournament at the Roland Garros stadium in Paris May 24, 2008. REUTERS/Francois Lenoir (FRANCE) 

Ivan Ljubicic of Croatia returns the ball to Gustavo Kuerten of Brazil during their first round match in the Monte Carlo Masters Series tennis tournament in Monaco April 21, 2008. REUTERS/Eric Gaillard (MONACO) 

Ivan Ljubicic of Croatia returns the ball to Gustavo Kuerten of Brazil during their first round match in the Monte Carlo Masters Series tennis tournament in Monaco April 21, 2008. REUTERS/Eric Gaillard (MONACO) 

Gustavo Kuerten of Brazil returns the ball to Ivan Ljubicic of Croatia during their first round match in the Monte Carlo Masters Series tennis tournament in Monaco April 21, 2008. REUTERS/Eric Gaillard (MONACO) 

Gustavo Kuerten of Brazil serves to Ivan Ljubicic of Croatia during their first round match in the Monte Carlo Masters Series tennis tournament in Monaco April 21, 2008. REUTERS/Eric Gaillard (MONACO) 

Gustavo Kuerten of Brazil waves to supporters after being defeated by Ivan Ljubicic of Croatia during their first round match in the Monte Carlo Masters Series tennis tournament in Monaco April 21, 2008. REUTERS/Eric Gaillard (MONACO) 

Gustavo Kuerten of Brazil returns a shot against Sebastien Grosjean of France during first round action at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 26, 2008. REUTERS/Hans Deryk (UNITED STATES) 

Sebastien Grosjean of France returns a shot against Gustavo Kuerten of Brazil during first round action at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 26, 2008. REUTERS/Hans Deryk (UNITED STATES) 

Sebastien Grosjean of France returns a shot against Gustavo Kuerten of Brazil during first round action at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 26, 2008. REUTERS/Hans Deryk (UNITED STATES) 

Gustavo Kuerten of Brazil reacts during his serve against Sebastien Grosjean of France during first round action at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 26, 2008. REUTERS/Hans Deryk (UNITED STATES) 

Gustavo Kuerten of Brazil looks at the scoreboard during his serve against Sebastien Grosjean of France during first round action at the Sony Ericsson Open tennis tournament in Key Biscayne, Florida March 26, 2008. REUTERS/Hans Deryk (UNITED STATES) 

Brazil's tennis player Gustavo Kuerten listens to a question during a news conference in Sao Paulo January 15, 2008. Three-times French Open champion and former world number one Kuerten said on Tuesday he would retire this year. REUTERS/Paulo Whitaker (BRAZIL) 

Brazil's tennis player Gustavo Kuerten gestures during a news conference in Sao Paulo January 15, 2008. Three-times French Open champion and former world number one Kuerten said on Tuesday he would retire this year. REUTERS/Paulo Whitaker (BRAZIL) 

Brazil's tennis player Gustavo Kuerten listens to a question during a news conference in Sao Paulo January 15, 2008. Three-times French Open champion and former world number one Kuerten said on Tuesday he would retire this year. REUTERS/Paulo Whitaker (BRAZIL) 

Brazil's tennis player Gustavo Kuerten smiles after a news conference in Sao Paulo January 15, 2008. Three-times French Open champion and former world number one Kuerten said on Tuesday he would retire this year. REUTERS/Paulo Whitaker (BRAZIL) 

Brasil's Gustavo Kuerten (R) serves while partner Andre Sa is watching during their doubles match against Austria at the Davis Cup relegation round match in Innsbruck, September 22, 2007. REUTERS/Dominic Ebenbichler (AUSTRIA) 

Brasil's Gustavo Kuerten (R) serves while partner Andre Sa (L) is watching during their doubles match against Austria at the Davis Cup relegation round match in Innsbruck, September 22, 2007. REUTERS/Dominic Ebenbichler (AUSTRIA) 

Spain's Rafael Nadal (L) stands with Brazilian player Gustavo Kuerten (C) and Switzerland's Roger Federer after winning the men's final match at the French Open tennis tournament at Roland Garros in Paris June 10, 2007. Nadal captured a hat-trick of French Open titles with a 6-3 4-6 6-3 6-4 win over world number one Federer on Sunday. REUTERS/Regis Duvignau (FRANCE) 

Brazil's Gustavo Kuerten (R) celebrates with his team mate Andre Sa after defeating Canada at their Davis Cup tennis match in Florianopolis, southern Brazil, April 8, 2007. Brazil won 3-1. REUTERS/Bruno Domingos (BRAZIL) 

Brazil's Gustavo Kuerten celebrates with fans after defeating Canada in their Davis Cup tennis match in Florianopolis, southern Brazil, April 8, 2007. REUTERS/Bruno Domingos (BRAZIL) 

Brazil's Gustavo Kuerten (R) and Andre Sa react after losing to Canada's Frederic Niemeyer and Daniel Nestor during in their Davis Cup double tennis match in Florianopolis, southern Brazil, April 8, 2007. REUTERS/Bruno Domingos (BRAZIL) 

Canada's Frederic Niemeyer (L) celebrates with his partner Daniel Nestor after defeating Brazil's double Gustavo Kuerten and Andre Sa during in their David Cup doubles tennis match in Florianopolis southern Brazil, April 8, 2007. REUTERS/Bruno Domingos (BRAZIL) 

Canada's Frederic Niemeyer (L top) returns the ball as doubles partner Daniel Nestor (R top) looks at Brazil's Gustavo Kuerten (L) and Andre Sa during their Copa Davis doubles tennis match in Florianopolis, southern Brazil, April 7, 2007. REUTERS/Bruno Domingos (BRAZIL) 

Canada's Daniel Nestor (L) returns the ball as doubles partner Frederic Niemeyer watches during their Davis Cup tennis match against Brazil's Gustavo Kuerten and Andre Sa in Florianopolis, southern Brazil April 7, 2007. REUTERS/Bruno Domingos (BRAZIL) 

Canada's Daneil Nestor (C) returns the ball to Brazil's Gustavo Kuerten (L) and Andre Sa during their Davis Cup doubles tennis match in Florianopolis, southern Brazil, April 7, 2007. REUTERS/Bruno Domingos (BRAZIL) 

Gustavo Kuerten of Brazil returns a shot to Raemon Sluiter of the Netherlands at the Sony Ericsson Open tennis tournament in Key Biscayne, Miami, March 21, 2007. REUTERS/Carlos Barria (UNITED STATES) 

Gustavo Kuerten of Brazil reacts during his match against Raemon Sluiter of the Netherlands at the Sony Ericsson Open tennis tournament in Key Biscayne, Miami, March 21, 2007. REUTERS/Carlos Barria (UNITED STATES) 

Gustavo Kuerten of Brazil serves against Raemon Sluiter of the Netherlands at the Sony Ericsson Open tennis tournament in Key Biscayne, Miami, March 21, 2007. REUTERS/Carlos Barria (UNITED STATES) 

Brazil's Gustavo Kuerten waves to the crowd while leaving the court after his first round loss to Argentina's Juan Martin Del Potro at the Pacific Life Open tennis tournament in Indian Wells, California March 9, 2007. REUTERS/Danny Moloshok (UNITED STATES) 

Brazil's Gustavo Kuerten takes off his cap as he approaches the net after his first round loss to Argentina's Juan Martin Del Potro at the Pacific Life Open tennis tournament in Indian Wells, California March 9, 2007. REUTERS/Danny Moloshok (UNITED STATES) 

Brazil's Gustavo Kuerten misses a shot during his first round loss to Argentina's Juan Martin Del Potro at the Pacific Life Open tennis tournament in Indian Wells, California March 9, 2007. REUTERS/Danny Moloshok (UNITED STATES) 

Brazil's Gustavo Kuerten adjusts his cap after losing a point against Argentina's Juan Martin Del Potro during their match at the Pacific Life Open tennis tournament in Indian Wells, California March 9, 2007. REUTERS/Danny Moloshok (UNITED STATES) 

Brazil's Gustavo Kuerten serves to Argentina's Juan Martin Del Potro during their match at the Pacific Life Open tennis tournament in Indian Wells, California March 9, 2007. REUTERS/Danny Moloshok (UNITED STATES) 

Brazil's Gustavo Kuerten hits the ball against Argentina's Juan Martin Del Potro during their match at the Pacific Life Open tennis tournament in Indian Wells, California, March 9, 2007. REUTERS/Danny Moloshok (UNITED STATES) 

Brazil's Gustavo Kuerten hits the ball against Argentina's Juan Martin Del Potro during their match at the Pacific Life Open tennis tournament in Indian Wells, California March 9, 2007. REUTERS/Danny Moloshok (UNITED STATES) 

Brazil's Gustavo Kuerten serves during a practice session at the Pacific Life Open tennis tournament in Indian Wells, California March 8, 2007. REUTERS/Danny Moloshok (UNITED STATES) 

Gustavo Kuerten of Brazil reacts during his Brazil Open tennis match against compatriot Flavio Saretta at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Flavio Saretta of Brazil reacts during his Brazil Open tennis match against compatriot Gustavo Kuerten at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil (L) shakes hands with compatriot Flavio Saretta after their Brazil Open tennis match at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Flavio Saretta of Brazil reacts during his Brazil Open tennis match against compatriot Gustavo Kuerten at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil reacts during his Brazil Open tennis match against compatriot Flavio Saretta at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Flavio Saretta of Brazil returns a shot to compatriot Gustavo Kuerten during their Brazil Open tennis match against at Costa do Sauipe in Bahia February 14, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil argues with the referee during his Brazil Open tennis match against compatriot Flavio Saretta at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Flavio Saretta of Brazil returns a shot to compatriot Gustavo Kuerten during their Brazil Open tennis match at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil returns a shot to compatriot Flavio Saretta during their Brazil Open tennis match at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

A physiotherapist stretches the leg of Gustavo Kuerten of Brazil during his Brazil Open tennis match against his compatriot Flavio Saretta at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil reacts during his Brazil Open tennis match against compatriot Flavio Saretta at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

A physiotherapist stretches the leg of Gustavo Kuerten of Brazil during his Brazil Open tennis match against his compatriot Flavio Saretta at Costa do Sauipe in Bahia February 15, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil serves to Filippo Volandri of Italy during their Brazil Open tennis tournament at Costa do Sauipe in Bahia February 13, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Filippo Volandri of Italy returns to Gustavo Kuerten of Brazil during their Brazil Open tennis tournament at Costa do Sauipe in Bahia February 13, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil walks past fans after defeating Filippo Volandri of Italy during their Brazil Open tennis tournament at Costa do Sauipe in Bahia February 13, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil reacts after defeating Filippo Volandri of Italy during their Brazil Open tennis tournament at Costa do Sauipe in Bahia February 13, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Filippo Volandri of Italy returns a shot to Gustavo Kuerten of Brazil during their Brazil Open tennis tournament at Costa do Sauipe in Bahia February 13, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil returns a shot to Filippo Volandri of Italy during their Brazil Open tennis tournament at Costa do Sauipe in Bahia February 13, 2007. REUTERS/Paulo Whitaker (BRAZIL) 

Gustavo Kuerten of Brazil hits a return to Rainer Eitzinger of Austria in the first round of men's singles of the Copa Petrobras Challenger series, at the Rakiura tennis club in Asuncion, November 14, 2006. Former World No. 1 and three-time French Open winner, Kuerten, 30, has been sidelined with chronic hip problems and is making an attempt to return to the circuit. REUTERS/Rene Gonzalez (PARAGUAY)