Hamburg  - Dinara Safina leads an unchanged women's tennis rankings issued on Monday by the WTA ahead of the Williams sisters.

Russia's Safina has 9,601 points, with Wimbledon champion Serena Williams on 8,628 and Venus Williams on 6,935 points.

WTA top 10 as of August 10 (previous ranking in parenthesis): <# 1. (1) Dinara Safina, Russia, 9,601 2. (2) Serena Williams, United States, 8,628 3. (3) Venus Williams, United States, 6,935 4. (4) Elena Dementieva, Russia, 6,591 5. (5) Jelena Jankovic, Serbia, 5,930 6. (6) Svetlana Kuznetsova, Russia, 5,851 7. (7) Vera Zvonareva, Russia, 5,400 8. (8) Caroline Wozniacki, Denmark, 4,750 9. (9) Victoria Azarenka, Belarus, 4,539 10. (10) Nadia Petrova, Russia, 3,290 <# (dpa)