[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.