The Association of Tennis Professionals (ATP) released a ranking list on August 20, with Argentina-based David Nalbandian dropping to 45th place with 945 points.

Swiss Roger Federer keeps lead with 12165 points; Serbia’s Novak Djokovic comes second with 11270 points; Rafael Nadal of Spain comes 3rd with 8715 points.

On August 19-20, Nalbandian will perform at Winston-Salem tournament in the U.S.