Sugár teamed up with Ilona Berecz around 1963. The duo finished in the top ten at the 1969 European Championships in Garmisch-Partenkirchen, West Germany; 1970 European Championships in Leningrad, Soviet Union; and 1971 European Championships in Zürich, Switzerland. They competed at three World Championships; their best result, 12th, came in 1970 (Ljubljana, Yugoslavia). They won two Hungarian national titles.