Argentine’s David Nalbandian dropped 1 position to be placed 64th with 670 points in the men’s tennis rankings released by the Association of Tennis Professionals (ATP) on September 26.

Serbia’s Novak Djokovic continues to top the rankings with 14720 points, followed by Spain’s Rafael Nadal (10620) and Switzerland’s Roger Federer (8380 points).

Nalbandian has scheduled performances at Rakuten Japan Open Tennis Championships and 2011 Shanghai Masters due in China.