Berlin – Australian Open champion Viktoria Azarenka maintained first place in the women's tennis rankings which saw no changes in the top 10 in the latest issue published Monday by the WTA.

The Belarussian Azarenka has 10,325 points for a slim lead over American Serena Williams (9,970), with Maria Sharapova of Russia third on 9,545.

WTA top 10 as of February 4 (previous ranking in parenthesis):

1. (1) Victoria Azarenka, Belarus, 10,325 points

2. (2) Serena Williams, United States, 9,970

3. (3) Maria Sharapova, Russia, 9,545

4. (4) Agnieszka Radwanska, Poland, 7,750

5. (5) Li Na, China, 6,255

6. (6) Angelique Kerber, Germany, 5,695

7. (7) Sara Errani, Italy, 4,795

8. (8) Petra Kvitova, Czech Republic, 4,285

9. (9) Samantha Stosur, Australia, 4,230

10. (10) Marion Bartoli, France, 3,740 – Sapa-dpa