Nadal was ranked 4th in March of 2010.
Nadal was ranked 1st in June of 2010.
In 2013 Nadal is defending a 2nd Round at Wimbledon and Nothing at the US Open. While Djokovic is defending a finals appearance at 3 slams. And after a LONG slam drought, Federer is defending WIMBLEDON, and Murray (the man who lost to Nadal in THREE slams in 2011) is defending the US Open and a Finals appearance at Wimbledon.
Good luck to the OP....