Today Number No.28 seed Serena Williams defeating Ana Ivanovic No.16 in Straight sets 6-3 6-4 in Fourth Round .
Ana had 3 aces , 8/ Double Faults , 20 Winners , 29 Unforced Errors 51% total the points won and 48 total the points won
Ana's Next Tournament is Toray Pan Pacific Open in Tokyo . Ana defend second round with 70 points
