Serena Williams continues to top the women’s tennis rankings released by the WTA.

WTA top 10 as of March 17 (previous ranking in parenthesis): 1. (1) Serena Williams, United States, 12,660 points 2. (2) Li Na, China, 7,185 3. (3) Agnieszka Radwanska, Poland, 6,215 4. (4) Victoria Azarenka, Belarus, 5,441 5. (7) Simona Halep, Romania, 4,775 6. (8) Jelena Jankovic, Serbia, 4,590 7. (5) Maria Sharapova, Russia, 4,271 8. (9) Petra Kvitova, Czech Republic, 4,235 9. (6) Angelique Kerber, Germany, 4,050 10. (10)Sara Errani, Italy, 3,830