I'm going to add this to the plea for "tanking," even if it's an imperfect analogy. In 2011, after Novak had beaten Rafa in 4 consecutive finals, including 2 on clay, leading into Roland Garros, the Fedfans were hoping that Novak would be drawn to Nadal's side. He wasn't. They began immediately to suggest that Roger either "tank" the potential SF meeting, or at least hoped that he would lose, so that Novak could take out Nadal in the final, thus staunching his run of Majors, which were beginning to threaten Roger's. Federer, however, bet on himself, beat Novak in the SFs, ending his 43-match win streak. He didn't win the final, but he made a good show of it. IMO, neither would have won that final, and I have good reasons. But my point is that Federer fancied his own chances. That's a champion's mentality, if you ask me.