The Williams sisters topped the rankings for tennis professionals.

Maintained Serena Williams at the top of the rankings for the WTA Tour in the latest released Monday at a time in which it made big sister Venus Williams in one place to second place behind her.
Serena and occupied first place in the category with a score of 8475 points, followed by Venus in the second place with 6386 points, despite losing the final of the Madrid Masters against France's Rezai Ervin on Sunday.
And landed Danish Carolina Fotsnyaki from second to third place with 5630 points classification, while the biggest changes witnessed by the list of workbooks ten priorities is falling Russian player Dinara Safina four places to ninth place on the list after it was seeded fifth in the world.
Came the rest of the top ten classification of the World Association of the WTA Tour which was released today Monday, 17 May are as follows:
Serbian Jelena Jankovic in the fourth place with 5160 points and Russia's Elena Dementieva in fifth place with 4830 points and Russia's Svetlana Kuznetsova, sixth place with 4661 points, and Australian Samantha Stosur in seventh place with 4405 points and Polish Ogniesca Radwanska in eighth place with 4190 points and Russia's Dinara Safina in the ninth with 4156 points, and Belgian Kim Clijsters in the tenth position with 3890 points.