Ken Rosewall When Pancho Gonzalez was asked about Ken Rosewall's slice backhand, he said, "What slice, he drives his backhand as flat as a pancake." Vic Braden conducted a research project with the legend from Australia. He filmed and analyzed all of Rosewall's strokes. Rosewall's racquet face was tilted less than ten degrees at the impact point on his drive slice. He averaged less than seven degrees on twenty hits. Yes that's right, the racquet face in nearly vertical at contact. There certainl