 She made her first appearance in Berlin in 2001 in a production of Viklický's "Death" and that same year sang Fenena at the Aspendos International Opera and Ballet Festival.She made her debut in the Royal Opera House, Covent Garden as Maddalena and returned there in 2008 to portray Mercedes in "Carmen".As a contralto, Sýkorová has performed numerous times with the Czech Philharmonic, Prague Symphony Orchestra, Prague Radio Symphony Orchestra, and other orchestras in her native country.