I don't understand, why so important 7 game in the set. Commentators often speak about this game. They think after this game tennisist win or lost set. Maybe statistick show this, but I think it's wrong. I think it's as 25th cartoon. All speak about it, but there is not have in world. But we belive. Maybe tennisist also belive and than play so. For me more important 10th game in set, because if you lost this game on own serve, you lost game.