He also lost the men 's doubles final in the same event together with Robert Blair .
Clark reached the mixed doubles final at the 2006 IBF World Championships together with Donna Kellogg , losing the final against Gail Emms and Nathan Robertson .
Clark also lost the men 's doubles final in the same event together with Robert Blair .
Clark reached the mixed doubles final at the 2006 IBF World Championships together with Donna Kellogg , losing the final against Gail Emms and Nathan Robertson .