Paris - Britain's Johanna Konta moved up one place to ninth in the latest WTA rankings released Sunday after winning her second WTA title in Sydney.
The 25-year-old from Eastbourne beat Poland's world number three Aniegszka Radwanska in straight sets to win Sunday's final.
The feat put her among serious contenders for the Australian Open, the first grand slam of the year starting Monday.
WTA rankings:
1. Angelique Kerber (GER) 8875 pts
2. Serena Williams (USA) 7080
3. Agnieszka Radwanska (POL) 5625
4. Simona Halep (ROM) 5073
5. Karolna Plskov (CZE) 4970
6. Dominika Cibulkov (SVK) 4865
7. Garbie Muguruza (ESP) 4420
8. Madison Keys (USA) 4137
9. Johanna Konta (GBR) 4055 (+1)
10. Svetlana Kuznetsova (RUS) 3745 (-1)
11. Petra Kvitov (CZE) 3485
12. Carla Surez (ESP) 2985
13. Elina Svitolina (UKR) 2895
14. Victoria Azarenka (BLR) 2591
15. Timea Bacsinszky (SUI) 2347
16. Barbora Zhlavov Strcov (CZE) 2295 (+3)
17. Venus Williams (USA) 2240 (-1)
18. Elena Vesnina (RUS) 2229 (-1)
19. Roberta Vinci (ITA) 2210 (-1)
20. Caroline Wozniacki (DEN) 2175