Jelena Dokic, riding high on a wave of public sympathy and support, upset Russian 17th seed Anna Chakvetadze 6-4, 6-7, 6-3 on Wednesday to reach the third round of the Australian Open. The Serbian-born Australian registered her first win over a player ranked in the top-20 for five years and her first victory on Melbourne Park's centre court for a decade. Dokic's brave win was charged with a combination of raw emotion and pain.