Sam Querrey returns a shot from Guillermo Canas, of Argentina, in the first-round match at the BNP Paribas Open tennis tournament, Friday, March...

USA's Wayne Odesnik returns the ball to Argentina's Guillermo Canas during their first round match of the French Open tennis tournament, Monday May 26, 2008 at...

Switzerland's Roger Federer returns a forehand to Argentina 's Guillermo Canas during their WTA Italian Tennis Open in Rome on May 06, 2008. Federer won the game...

Argentina's Guillermo Canas returns the ball to compatriot Juan Monaco during their fourth round match of the French Open...

Guillermo Canas is one win from his first Grand Slam semifinal, and a possible third meeting with Roger...

Guillermo Canas has lost only one set in reaching the quarterfinals

Novak Djokovic of Serbia reacts after winning a point in the third set against Guillermo Canas of Argentina during the men's final at the 2007 Sony Ericsson Open at the Tennis...

While his doping case is under review, Guillermo Canas is one win from his first win on the ATP Tour since October 2004

Guillermo Canas isn't eligible to return to the tour until June 11, 2007

Pete Sampras had to dig down to find the strength for his big comeback against Guillermo Canas

Guillermo Canas of Argentina adjusts a Royal Canadian Mounted Police hat after being presented with the Tennis Masters...

Guillermo Canas defeated five seeded players en route to his third career title

Unseeded Guillermo Canas upset No. 2 Marat Safin

Spain's Albert Costa reacts after defeating Argentina's Guillermo Canas in their quaterfinal match of the French Open tennis tournament at Roland Garros stadium in Paris...

Guillermo Canas celebrates Sunday's victory over Lleyton Hewitt