US Open 2011 Doubles final. We do not want cheaters in tennis

Please read the description below. J. Melzer, P. Petzschner vs M. Fyrstenberg, M. Matkowski during US Open 2011 final. At 10, 2:2, 30:30 for Melzer, Petzschner and Matkowski serving, Philipp Petzschner was hit by the ball. It bounced off his leg and back over the net for a winner. The point should be won by Poles, but the umpire didn t see the details. Petzschner was hit strongly. He perfectly knew that the point was won by Poles. But he cheated in the final match of one of the most prestigious tennis t