Rafael Nadal Rafael Nadal

Rafael Nadal celebrates a point against Stan Wawrinka during the final of the French Open. Nadal, who has dominated on clay in his career, did not leave the outcome in doubt for long. The Spaniard claimed his record 10th French Open title on Sunday. David Vincent/AP hide caption

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David Vincent/AP

Stanislas Wawrinka of Switzerland kisses the Australian Open trophy during the awarding ceremony after winning the men's singles final against Spain's Rafael Nadal on Sunday in Melbourne, Australia. Xu Yanyan/Xinhua/Landov hide caption

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Xu Yanyan/Xinhua/Landov

Rafael Nadal of Spain celebrates after defeating Roger Federer of Switzerland during their semifinal Friday at the Australian Open tennis championship in Melbourne. Aaron Favila/AP hide caption

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Aaron Favila/AP

Steve Darcis of Belgium, left, shakes hands with Rafael Nadal of Spain Monday, after winning their first-round match at the Wimbledon Lawn Tennis Championships at the All England Lawn Tennis and Croquet Club. Mike Hewitt/Getty Images hide caption

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Mike Hewitt/Getty Images