[['1998', 'MENS_SINGLES', 'Yong Yudianto'], ['[TABLECONTEXT]', 'YEAR', '1998'], ['1998', 'WOMENS_SINGLES', 'Karolina Ericsson'], ['[TABLECONTEXT]', '[TITLE]', 'Bitburger Open, previous winners']]
At the 1998 Bitburger Open, Yong Yudianto won men's singles, and Karolina Ericsson won women's singles.