In March 2003, Kopač qualified for her fourth and final free skate at the World Championships; she was 13th in her qualifying group, 22nd in the short, 17th in the free, and 20th overall at the event in Washington, D.C. In February 2004, she reached her 11th free skate at the European Championships; she ranked 11th in the short, 18th in the free, and 17th overall in Budapest, Hungary.