American tennis ace Serena Williams has maintained her No 1 spot, while German Angelique Kerber has slipped to the third in the latest women's tennis world rankings issued by the WTA.
Williams remains on top with 8, 625 points and maintains a comfortable advantage of 2,850 over Poland's Agnieszka Radwanska, who retains her second spot despite not featuring at the Volvo Car Open.
Meanwhile, Kerber suffered a setback in rankings after her semi-final exit at Charleston due to a viral illness.
The current WTA top 10 are:
1. Serena Williams
2. Agnieszka Radwanska
3. Angelique Kerber
4. Garbine Muguruza
5. Victoria Azarenka
6. Simona Halep
7. Petra Kvitova
8. Roberta Vinci
9. Maria Sharapova
10. Belinda Bencic