Updated On: 02 August, 2014 06:05 AM IST | | AFP
<p>Seven-time Grand Slam champion Venus Williams ousted fourth-seeded birthday girl Victoria Azarenka in straight sets on Thursday to reach the quarter-finals of the WTA hardcourt tournament here</p>

Venus Williams celebrates her win over Victoria Azarenka on Thursday. Pic/AFP.
Stanford (United States): Seven-time Grand Slam champion Venus Williams ousted fourth-seeded birthday girl Victoria Azarenka in straight sets on Thursday to reach the quarter-finals of the WTA hardcourt tournament here.

Venus Williams celebrates her win over Victoria Azarenka on Thursday. Pic/AFP.