Matches Played
The top 4 remain the same.  Simon Greul moves up to 8th after reaching the quarterfinals in Poznan.  Paul Goldstein enters the top 10 as does Rafael Arevalo of El Salvador.  Arevalo qualified for and reached the semifinals in Spain F17.

Winning Percentage
Federer and Nadal remain on top.  Brian Hung of Hong Kong debuts on the list in 3rd after qualifying and reaching the quarterfinals in China F5.  He did the same earlier in the year in China F3 and added on two Davis Cup victories.