AP - Roger Federer and Rafael Nadal have met on clay, grass and hard courts, and even in a half-grass, half-clay court exhibition last week. On Monday, the top two players tried another version of the game doubles. Nadal teamed with Carlos Moya to beat Federer and his Davis Cup teammate Stanislas Wawrinka 6-4, 7-6 (5) in the first round of the Rome Masters.More...