Millwall hold the record for the longest unbeaten run between the teams at 14 games.[20] Between 1922 and 1930, the Lions won eight and drew six.[20] Charlton's longest unbeaten run against Millwall is six games, between 1934 and 1968 they won three and drew three.[20] The longest period the clubs have gone without playing each other is 31 years (between the 1935–36 and 1965–66 seasons), due to being in different leagues.[20] Millwall also have a run of 12 games unbeaten between 1979 and 1992, where they won six and drew six.