Part One: Christopher Clarey, tennis correspondent for the New York Times, is the author of "The Master: The Long Run and Beautiful Game of Roger Federer." Part Two: (from the archives) L. Jon Wertheim, from Sports Illustrated, is author of "Strokes of Genius: Federer, Nadal, and the Greatest Match Ever Played." The subtitle refers to the epic 5-set men's final at Wimbledon that Federer and Nadal waged in 2008.