See main article: 2013 Apia International Sydney. Victoria Azarenka was the defending champion, but chose not to participate this year.
Agnieszka Radwańska won the title, defeating Dominika Cibulková in the final, 6–0, 6–0. This was only the eighth WTA singles final to be won with a 6–0, 6–0 (a "double bagel") scoreline in history, and the first since Marion Bartoli won the 2006 Challenge Bell.