Djokovic ups score difference, Troicki ranks 36th

LONDON - World's best tennis player Novak Djokovic defended the Miami Open title and increased the score difference against second-ranked Swiss player Roger Federer on the latest ATP list.

Djokovic currently has 13,205 points, 4,310 more than Federer who skipped the Florida tournament where he reached the quarterfinal last year.

Nadal dropped from the third to the fifth position on the list and was overtaken by Miami Open finalist Andy Murray and Japan's player Kei Nishikori.

Among other Serbian players, Viktor Troicki improved his ranking by three positions and currently holds the 36th place on the list with 1,127 points, Dusan Lajovic dropped from the 73rd to the 81st place on the list with 626 points, while Filip Krajinovic improved his ranking by 10 places and now occupies the 86th position on the ATP list with 602 points.

AP Photo/J Pat Carter