Liu was the fourth Stanford women's player to become a two-time NCAA singles champion, following Patty Fendick, Sandra Birch and Laura Granville.

In 2004, she won the Honda Sports Award as the nation's best female tennis player.

In July, Liu was invited as a wildcard to play women's singles at the Bank of the West Classic held at her alma mater Stanford University.

There she played her final match as a professional, losing in the first round to fifth-seeded and World No.

[6] Liu was coached by Emmanuel Udozorh and International Tennis Hall of Fame inductee Michael Chang.