Hamburg - Russia's Dinara Safina replaced American Serena Williams at the top of the latest women's tennis rankings issued on Monday by the WTA.

Safina is at the top for the first time. Her brother Marat Safin led the men's rankings for nine weeks in 2000, making them the first brother-sister act to be number one in the singles rankings.

The 22-year-old leads the way with 8,951, followed by Williams on 8,272 points. «#»

WTA top 10 as of April 20 (previous ranking in parentheses): 1. (2) Dinara Safina, Russia, 8,951 2. (1) Serena Williams, United States, 8,272 points 3. (3) Elena Dementieva, Russia, 7,391 4. (4) Jelena Jankovic, Serbia, 7,350 5. (5) Venus Williams, United States, 7,102 6. (6) Vera Zvonareva, Russia, 6,270 7. (7) Ana Ivanovic, Serbia, 5,174 8. (8) Victoria Azarenka, Belarus, 4,646 9. (9) Svetlana Kuznetsova, Russia, 4,308 10. (10) Nadia Petrova, Russia, 3,840 «#» (dpa)