Here is a look at the Top 10 rankings on May 13, 2013:

Rafael Nadal will still have a chance to be ranked fourth prior to the start of the Roland Garros later this month if he managed to perform well at the Rome Masters which begins this week and David Ferrer loses in earlier rounds. But in the race for the World Tour Finals, Rafa is just 130 points behind Novak Djokovic. VAMOS RAFA!