Argentina’s David Nalbandian retained 23rd position (1445 points) in the men’s tennis rankings released by the Association of Tennis Professionals (ATP) on May 2, 2011.

The tennis player is getting prepared for Davis Cup quarterfinal, in which Argentina will rival Kazakhstan.

Spaniard Rafael Nadal continues to top the rankings with 11,915 points, followed by Novak Djokovic (Serbia, 9,710 points) and Roger Federer (Switzerland, 8,690 points).