Hamburg  - Russia's Dinara Safina remained top of the women's tennis rankings issued on Monday by the WTA.

Safina heads an unchanged top 10 with 10,521 points. Wimbledon champion Serena Williams has 8,509 points and her sister Venus 6,617.

WTA top 10 as of July 20 (previous ranking in parenthesis): «#» 1. (1) Dinara Safina, Russia, 10,521 points 2. (2) Serena Williams, United States, 8,509 3. (3) Venus Williams, United States, 6,617 4. (4) Elena Dementieva, Russia, 6,591 5. (5) Svetlana Kuznetsova, Russia, 6,071 6. (6) Jelena Jankovic, Serbia, 5,980 7. (7) Vera Zvonareva, Russia, 5,400 8. (8) Victoria Azarenka, Belarus, 5,066 9. (9) Caroline Wozniacki, Denmark, 4,840 10. (10) Nadia Petrova, Russia, 3,300. (dpa)