Rafael Nadal: The No. 1-Ranked Tennis Player in the World

Rafael Nadal, who personifies intensity, is still at the top of his game. (AP2011)

Rafael Nadal of Spain reacts during his match against Ivo Karlovic of Croatia during a quarterfinals match at the BNP Paribas Open tennis tournament in Indian Wells, Calif., Thursday, March 17, 2011. Nadal won 5-7, 6-1, 7-6 (7). (AP Photo/Darron Cummings) (AP2011)

El español Rafael Nadal devuelve la pelota al estadounidense Ryan Sweeting, en el torneo Masters de Indian Wells de la ATP el lunes 14 de marzo del 2011. Nadal venció por 6-3, 6-1 a Sweeting. (Foto AP)

Rafael Nadal, of Spain, examines his racket during the men's final against Novak Djokovic, of Serbia, at the BNP Paribas Open tennis tournament in Indian Wells, Calif., Sunday, March 20, 2011. Djokovic won 4-6, 6-3, 6-2. (AP Photo/Darron Cummings) (AP2011)

El español Rafael Nadal devuelve una volea al ucraniano Alexandr Dolgopolov en el Masters de Miami en Cayo Vizcaíno, Florida, el martes 29 de marzo del 2011. Nadal ganó 6-1, 6-2. (AP foto/J Pat Carter)

Rafael Nadal, of Spain, returns a shot to Somdev Devvarman, of India, at the BNP Paribas Open tennis tournament in Indian Wells, Calif., Wednesday, March 16, 2011. (AP Photo/Darron Cummings) (AP2011)

Rafael Nadal, from Spain, returns the ball to Alexandr Dolgopolov, of the Ukraine, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 29, 2011. Nadal won 6-1 and 6-2. (AP Photo/J Pat Carter) (AP2011)

Rafael Nadal, of Spain, serves to Ryan Sweeting, of the United States, at the BNP Paribas Open tennis tournament, Monday, March 14, 2011, in Indian Wells, Calif. (AP Photo) (AP2011)

Spain's Rafael Nadal returns the ball towards Belgium's Olivier Rochus, on the final day of the Davis Cup World Group, first round in Charleroi, Belgium, Sunday, March 6, 2011. Spain qualified already on Saturday for the next round, after winning the first three matches. (AP Photo/Yves Logghe) (AP2011)

Rafael Nadal lost his cool after an umpire's ruling during his match against Tomas Berdych Friday. (AP)

Rafael Nadal, from Spain, returns the ball to Alexandr Dolgopolov, of Ukraine, at the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 29, 2011. Nadal won 6-1, 6-2.(AP Photo/J Pat Carter) (AP2011)

Rafael Nadal of Spain, here in March 2010 returning a shot to Ivan Ljubicic of Croatia during their match at the BNP Paribas Open tennis tournament in Indian Wells, Calif., said the "monopoly" he and rival Roger Federer had on tennis is over. (AP2010)

Spain's Rafael Nadal rests in his chair during a break in play of his quarterfinal against compatriot David Ferrer at the Australian Open tennis championships in Melbourne, Australia, Wednesday, Jan. 26, 2011. (AP Photo/Shuji Kajiyama) (AP2011)

Spain's Rafael Nadal walks to his chair during his quarterfinal against compatriot David Ferrer at the Australian Open tennis championships in Melbourne, Australia, Wednesday, Jan. 26, 2011. (AP Photo/Shuji Kajiyama) (AP2011)

Top-ranked Spaniard Rafael Nadal expresses his disgust over a call during an ATP World Tour Finals match against Tomas Berdych. Nadal won and advanced to the semifinals. (AP)

Spaniard Rafael Nadal during his first round match at the Australian Open tennis championships in Melbourne, Australia, Tuesday, Jan. 18, 2011. (AP Photo/Mark Baker) (AP)

El suizo Roger Federer, izquierda, y el español Rafael Nadal posan para una foto antes de un partido de exhibición el miércoles, 22 de diciembre de 2010, en Madrid. (AP Photo/Victor R. Caivano) (AP2010)

Rafael Nadal lost to rival Roger Federer in an exhibition match. (AP)

Rafael Nadal accepted the runner-up trophy at the ATP World Tour Finals. Despite the loss, the Spaniard was happy with his 2010 accomplishments. (AP)

Rafael Nadal, from Spain, returns the ball to Alexandr Dolgopolov, of the Ukraine, during the Sony Ericsson Open tennis tournament in Key Biscayne, Fla., Tuesday, March 29, 2011. Nadal won 6-1 and 6-2. (AP Photo/J Pat Carter) (AP2011)