She held her seeding by advancing to the Round of 16 , but once again lost to Venus Williams for the fourth time this season .
Pe'er was seeded 16th at the 2010 US Open , the final Grand Slam of the season .
Pe'er held Pe'er 's seeding by advancing to the Round of 16 , but once again lost to Venus Williams for the fourth time this season .
Pe'er was seeded 16th at the 2010 US Open , the final Grand Slam of the season .