Originally Posted by Sabratha
If he only gets to the semifinals of Roland Garros and wins a Master without doing anything else, he will end the year ranked at #20. I doubt he will be doing that much to start with, so him ending 2013 at #20 is very plausible.
Why would Nadal quit on a season if he was not injured? Getting back to maximum abilities is a process; he surely understands that.