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, […]