Rafael Nadal of Spain celebrates after defeating Roger Federer of Switzerland in their final match in the Monte Carlo Masters Series tennis tournament in Monaco April 27, 2008. (Xinhua/Reuters Photo)

Rafael Nadal of Spain returns the ball to Roger Federer of Switzerland during their final match in the Monte Carlo Masters Series tennis tournament in Monaco April 27, 2008. (Xinhua/Reuters Photo)

Roger Federer of Switzerland returns the ball to Rafael Nadal of Spain during their final match in the Monte Carlo Masters Series tennis tournament in Monaco April 27, 2008. (Xinhua/Reuters Photo)

(Agencies via China Daily April 29, 2008)