Berlin – Serena Williams remains top of the women's tennis rankings in an unchanged top 10 released Monday by the WTA.
The US player has 9,231 points to stay clear of China's Li Na on 6,960 and Romania's Simona Halep on 6,960.
Wimbledon champion Petra Kvitova is fourth while five-time Grand Slam winner Maria Sharapova is sixth.
WTA top 10 as of July 28 (previous ranking in parenthesis):
1. (1) Serena Williams, United States, 9,231 points
2. (2) Li Na, China, 6,960
3. (3) Simona Halep, Romania, 6,785
4. (4) Petra Kvitova, Czech Republic, 6,070
5. (5) Agnieszka Radwanska, Poland, 5,130
6. (6) Maria Sharapova, Russia, 4,881
7. (7) Eugenie Bouchard, Canada, 4,460
8. (8) Angelique Kerber, Germany, 4,365
9. (9) Jelena Jankovic, Serbia, 3,900
10.(10) Victoria Azarenka, Belarus, 3,812 – Sapa-dpa