[['[TABLECONTEXT]', 'YEAR', '2003'], ['2003', 'WOMENS_DOUBLES', 'Nicole Grether Juliane Schenk'], ['2003', 'WOMENS_SINGLES', 'Xu Huaiwen'], ['2003', 'MENS_SINGLES', 'Dicky Palyama'], ['[TABLECONTEXT]', '[TITLE]', 'Bitburger Open, previous winners']]
Dicky Palyamab (men's singles), Xu Huaiwen (women's singles), and Nicole Grether and Juliane Schenk (women's doubles) were previous winners at the Bitburger Open.