American tennis ace Serena Williams has maintained her number one spot, while German Angelique Kerber has slipped to the third in the latest women`s tennis world rankings issued by the WTA.
The current WTA top 10 are:1. Serena Williams2. Agnieszka Radwanska3. Angelique Kerber4. Garbine Muguruza5. Victoria Azarenka6. Simona Halep7. Petra Kvitova8. Roberta Vinci9. Maria Sharapova10. Belinda Bencic
Serena Williams retains top spot
