Take it Easy on Poor Roger
Yes, I know he gave up a two set lead and two match points in the final set, but he is 30 years old. This paper in the Journal of Gerontology analyzed the optimal age for tennis players and found that tennis players reach their peak at the ripe old age of 24:
Oh, and this paper is from 1988 and analyzes data as far back as 1885, so considering that players enter the sport earlier and earlier, I think its quite possible that the optimal age is even lower than that suggested by this paper. For instance, consider the the histogram on p. 6. This data includes #1 ranked players as old as 37-38 and a small but substantial number above 30. Considering that this isn’t possible in the modern era and probably reflects the lack of openness of tennis as a sport in the distant past, I think its pretty impressive that Federer can still keep up with players like Nadal and Djokovic. So don’t be too upset. It’s awesome that Federer is still as good as he is.
(Yes, I’m just trying to make myself feel better, because I really wanted Federer to win. But kudos to Djokovic. That one winner on the first match point was amazing.)