| At Leeds Utd. (20) | | At Cardiff City (19) | | Results | Total | % | | Results | Total | % | | Leeds Utd. | 11 | 55.00 | | Cardiff City | 11 | 57.89 | | Cardiff City | 4 | 20.00 | | Leeds Utd. | 3 | 15.79 | | Draws | 5 | 25.00 | | Draws | 5 | 26.32 | | Goals | Total | Av.pg | | Goals | Total | Av.pg | | Leeds Utd. | 34 | 1.70 | | Cardiff City | 24 | 1.26 | | Cardiff City | 13 | 0.65 | | Leeds Utd. | 11 | 0.58 | | On Neutral Ground (0) | | Overall (39 matches) | | Results | Total | % | | Results | Total | % | | Leeds Utd. | 0 | 0.00 | | Leeds Utd. | 14 | 35.90 | | Cardiff City | 0 | 0.00 | | Cardiff City | 15 | 38.46 | | Draws | 0 | 0.00 | | Draws | 10 | 25.64 | | Goals | Total | Av.pg | | Goals | Total | Av.pg | | Leeds Utd. | 0 | 0.00 | | Leeds Utd. | 45 | 1.15 | | Cardiff City | 0 | 0.00 | | Cardiff City | 37 | 0.95 |
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| Records | | Highest Aggregate | 5 | Leeds Utd. | 4 - 1 | Cardiff City | 1974/1975 | | Highest Leeds Utd. score: | 4 | Leeds Utd. | 4 - 0 | Cardiff City | 1947/1948 | | Highest Cardiff City score: | 4 | Cardiff City | 4 - 1 | Leeds Utd. | 1956/1957 |
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| Season | Date | Home | Score | Away | Competition | | 2004/2005 | Sat 02 Oct | Cardiff City | 0 - 0 | Leeds Utd. | Championship | | 2001/2002 | Sun 06 Jan | Cardiff City | 2 - 1 | Leeds Utd. | F.A. Cup | | 1984/1985 | Sat 29 Dec | Leeds Utd. | 1 - 1 | Cardiff City | Second Division | | Wed 12 Sep | Cardiff City | 2 - 1 | Leeds Utd. | Second Division | | 1983/1984 | Sat 11 Feb | Cardiff City | 0 - 1 | Leeds Utd. | Second Division | | Sat 10 Sep | Leeds Utd. | 1 - 0 | Cardiff City | Second Division | | 1974/1975 | Sat 04 Jan | Leeds Utd. | 4 - 1 | Cardiff City | F.A. Cup | | 1971/1972 | Sat 26 Feb | Cardiff City | 0 - 2 | Leeds Utd. | F.A. Cup | | 1963/1964 | Sat 01 Feb | Leeds Utd. | 1 - 1 | Cardiff City | Second Division | | Sat 04 Jan | Cardiff City | 0 - 1 | Leeds Utd. | F.A. Cup | | Sat 21 Sep | Cardiff City | 0 - 0 | Leeds Utd. | Second Division | | 1962/1963 | Sat 27 Apr | Leeds Utd. | 3 - 0 | Cardiff City | Second Division | | Sat 08 Dec | Cardiff City | 0 - 0 | Leeds Utd. | Second Division | | 1957/1958 | Sat 04 Jan | Leeds Utd. | 1 - 2 | Cardiff City | F.A. Cup | | 1956/1957 | Sat 16 Feb | Leeds Utd. | 3 - 0 | Cardiff City | First Division | | Sat 05 Jan | Leeds Utd. | 1 - 2 | Cardiff City | F.A. Cup | | Sat 06 Oct | Cardiff City | 4 - 1 | Leeds Utd. | First Division | | 1955/1956 | Sat 07 Jan | Leeds Utd. | 1 - 2 | Cardiff City | F.A. Cup | | 1951/1952 | Sat 03 May | Cardiff City | 3 - 1 | Leeds Utd. | Second Division | | Wed 12 Sep | Leeds Utd. | 2 - 1 | Cardiff City | Second Division | | 1950/1951 | Sat 28 Apr | Leeds Utd. | 2 - 0 | Cardiff City | Second Division | | Sat 09 Dec | Cardiff City | 1 - 0 | Leeds Utd. | Second Division | | 1949/1950 | Sat 25 Feb | Cardiff City | 1 - 0 | Leeds Utd. | Second Division | | Sat 11 Feb | Leeds Utd. | 3 - 1 | Cardiff City | F.A. Cup | | Sat 08 Oct | Leeds Utd. | 2 - 0 | Cardiff City | Second Division | | 1948/1949 | Sat 30 Apr | Leeds Utd. | 0 - 0 | Cardiff City | Second Division | | Sat 04 Dec | Cardiff City | 2 - 1 | Leeds Utd. | Second Division | | 1947/1948 | Sat 20 Mar | Leeds Utd. | 4 - 0 | Cardiff City | Second Division | | Sat 01 Nov | Cardiff City | 0 - 0 | Leeds Utd. | Second Division | | 1928/1929 | Wed 26 Dec | Cardiff City | 2 - 1 | Leeds Utd. | First Division | | Tue 25 Dec | Leeds Utd. | 3 - 0 | Cardiff City | First Division | | 1926/1927 | Mon 06 Sep | Cardiff City | 3 - 1 | Leeds Utd. | First Division | | Mon 30 Aug | Leeds Utd. | 0 - 0 | Cardiff City | First Division | | 1925/1926 | Sat 27 Mar | Cardiff City | 0 - 0 | Leeds Utd. | First Division | | Sat 14 Nov | Leeds Utd. | 1 - 0 | Cardiff City | First Division | | 1924/1925 | Sat 03 Jan | Leeds Utd. | 0 - 0 | Cardiff City | First Division | | Sat 06 Sep | Cardiff City | 3 - 0 | Leeds Utd. | First Division | | 1920/1921 | Tue 29 Mar | Leeds Utd. | 1 - 2 | Cardiff City | Second Division | | Mon 28 Mar | Cardiff City | 1 - 0 | Leeds Utd. | Second Division |
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