2009 : womens_singles : Juliane Schenk | [TABLECONTEXT] : year : 2009 | 2009 : mens_doubles : Rupesh Kumar Sanave Thomas | 2009 : womens_doubles : Helle Nielsen Marie Roepke | [TABLECONTEXT] : [title] : Bitburger Open, previous winners
Juliane Schenck (women's singles), Rupesh Kumar and Sanave Thomas (men's doubles), and Helle Nielsen and Marie Roepke (women's doubles) were previous winners in the Bitburger Open.