Hamburg - Jelena Jankovic heads into the season-ending WTA championships which started on Monday as the top-ranked tennis player and with the knowledge that she will keep this place for the rest of the year.

The Serb Jankovic tops the latest rankings issued on Monday with 4,555 points and can't be toppled at the final event of the year in Doha which brings together the leading eight players.

Russia's Dinara Safina is second on 3,752 points and Serena Williams of the US third on 3,716 in an unchanged top 10.

WTA top 10 as of November 3 (previous ranking in parenthesis): <# 1. (1) Jelena Jankovic, Serbia, 4,555 points 2. (2) Dinara Safina, Russia, 3,752 3. (3) Serena Williams, United States, 3,716 4. (4) Ana Ivanovic, Serbia, 3,687 5. (5) Elena Dementieva, Russia, 3,399 6. (6) Maria Sharapova, Russia, 3,040 7. (7) Svetlana Kuznetsova, Russia, 2,726 8. (8) Venus Williams, United States, 2,522 9. (9) Vera Zvonareva, Russia, 2,497 10. (10) Agnieszka Radwanska, Poland, 2,141 <# (dpa)