<page_title> 1945–46 Birmingham City F.C. season </page_title> <section_title> FA Cup </section_title> <table> <cell> Semi-final replay <col_header> Round </col_header> <col_header> Third round </col_header> <col_header> Fourth round </col_header> <col_header> Fifth round </col_header> <col_header> Sixth round </col_header> <col_header> Semi-final </col_header> </cell> <cell> Derby County <col_header> Opponents </col_header> <row_header> Semi-final replay </row_header> </cell> <cell> Maine Road, Manchester <col_header> Venue </col_header> <row_header> Semi-final replay </row_header> </cell> <cell> L <col_header> Result </col_header> <row_header> Semi-final replay </row_header> </cell> <cell> 0–4 aet <col_header> Score F–A </col_header> <row_header> Semi-final replay </row_header> </cell> <cell> 80,407 <col_header> Attendance </col_header> <row_header> Semi-final replay </row_header> </cell> </table>
Birmingham played the semi-final replay in which they lost to Derby County after extra time at Maine Road, Manchester in front of 80,407 spectators.