Berkes began her partnership with Szilárd Tóth by 1991. They competed in the final segment at four ISU Championships, placing 15th at the 1992 World Junior Championships in Hull, Quebec, Canada; 20th at the 1993 European Championships in Helsinki, Finland; 24th at the 1994 European Championships in Copenhagen, Denmark; and 23rd at the 1995 European Championships in Dortmund, Germany.