Garbiñe Muguruza leads the contest to be the year-end WTA World No.1 but Simona Halep, Elina Svitolina and Karolina Pliskova remain in contention.
Although shock results at the Dongfeng Motor Wuhan Open left the top seven in the WTA rankings unchanged, the big mover is Jelena Ostapenko after her impressive run to the semifinals.
The French Open champion, who won an absorbing quarterfinal against Muguruza, has climbed two places to WTA World No.8, her highest career ranking to date.
Following the release of this week's updated rankings, other players on the rise include:
Caroline Garcia (+5, No.20 to No.15): The Frenchwoman defeated former No.1 Angelique Kerber and last year's runner-up Dominika Cibulkova en route to winning the title in Wuhan. Click for WTA Insider's exclusive interview.
Ashleigh Barty (+14, No.37 to No.23): A breakthrough week in Wuhan for the Australian who has been in impressive form on the doubles circuit. The 21-year-old beat former No.1 Karolina Pliskova before losing a thrilling final to Garcia.
Alizé Cornet (+5, No.42 to No.37): It was a good week for the French with Cornet almost matching Garcia in the upset stakes in Wuhan. The quarterfinalist beat sixth seed Svetlana Kuznetsova before falling to Maria Sakkari.
Timea Babos (+9, No.52 to No.43): Away from Wuhan, the Hungarian powered her way to the final of the Tashkent Open. Despite losing the title in straight sets to Kateryna Bondarenko, Babos moves comfortably into the top 50.