
The Belgium Henin has 5,500 points to top the bill ahead of Svetlana Kuznetsova of Russia (3,775) and Serb jelena Jankovic (3,475).
Sharapova slid from fourth to fifth on 3,161 and could lose further ground over the next weeks. The Russian has cancelled her appearances at the upcoming events in Zurich and Linz due to shoulder injury, having won both tournaments last year.
WTA top 10 as of October 15 (previous ranking in parenthesis)
1. (1) Justine Henin, Belgium, 5,500 points;
2. (2) Svetlana Kuznetsova, Russia, 3,775
3. (3) Jelena Jankovic, Serbia, 3,475
4. (5) Ana Ivanovic, Serbia, 3,175
5. (4) Maria Sharapova, Russia, 3,161
6. (7) Serena Williams, United States, 2,766
7. (6) Anna Chakvetadze, Russia, 2,625
8. (8) Venus Williams, United States, 2,470
9. (9) Daniela Hantuchova, Slovakia, 2,177
10. (14) Elena Dementieva, Russia, 2,022. dpa