Heaviest competitive defeat: the worst official defeat suffered by 1. FC Union Berlin after German reunification came on 7 October 2002 in the second Bundesliga, a 0–7 at 1. FC Köln.
Heaviest competitive defeat: the worst official defeat suffered by 1. FC Union Berlin after German reunification came on 7 October 2002 in the second Bundesliga, a 0–7 at 1. FC Köln.