| Cardiff vs | Penarth | ||||
| Matches | 153 | ||||
| Won | 129 | ||||
| Lost | 12 | ||||
| Drawn | 12 | ||||
| Points For | 2750 | ||||
| Points Against | 670 | ||||
| Date | Home | Away | Venue | ||
| 09/03/1887 | Cardiff | 11 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 26/03/1887 | Cardiff | 20 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 18/02/1888 | Penarth | 0 | 8 | Cardiff | Victoria Square Fields, Penarth |
| 19/01/1889 | Cardiff | 9 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 05/10/1889 | Penarth | 6 | 6 | Cardiff | Victoria Square Fields, Penarth |
| 08/02/1890 | Cardiff | 18 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 01/03/1890 | Cardiff | 4 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 04/09/1890 | Penarth | 0 | 6 | Cardiff | Victoria Square Fields, Penarth |
| 18/03/1891 | Cardiff | 0 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 03/10/1891 | Penarth | 0 | 5 | Cardiff | Stanwell Road, Penarth |
| 23/03/1892 | Cardiff | 13 | 4 | Penarth | Cardiff Arms Park, Cardiff |
| 19/11/1892 | Cardiff | 26 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 01/04/1893 | Penarth | 2 | 10 | Cardiff | Stanwell Road, Penarth |
| 07/10/1893 | Penarth | 3 | 13 | Cardiff | Stanwell Road, Penarth |
| 20/01/1894 | Cardiff | 0 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 17/11/1894 | Cardiff | 3 | 8 | Penarth | Cardiff Arms Park, Cardiff |
| 06/04/1895 | Penarth | 0 | 3 | Cardiff | Stanwell Road, Penarth |
| 21/11/1895 | Cardiff | 12 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 07/03/1896 | Penarth | 3 | 8 | Cardiff | Stanwell Road, Penarth |
| 20/02/1897 | Penarth | 0 | 12 | Cardiff | Stanwell Road, Penarth |
| 10/04/1897 | Cardiff | 37 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 11/12/1897 | Cardiff | 13 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 12/03/1898 | Penarth | 6 | 6 | Cardiff | Stanwell Road, Penarth |
| 12/11/1898 | Penarth | 0 | 6 | Cardiff | Stanwell Road, Penarth |
| 01/04/1899 | Cardiff | 43 | 4 | Penarth | Cardiff Arms Park, Cardiff |
| 23/09/1899 | Cardiff | 27 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 10/03/1900 | Penarth | 0 | 33 | Cardiff | Stanwell Road, Penarth |
| 22/12/1900 | Penarth | 0 | 8 | Cardiff | Unknown |
| 12/01/1901 | Cardiff | 24 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 08/03/1902 | Cardiff | 19 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 11/11/1902 | Penarth | 0 | 17 | Cardiff | Unknown |
| 29/11/1902 | Cardiff | 16 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 26/09/1903 | Cardiff | 14 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 09/01/1904 | Penarth | 0 | 18 | Cardiff | Unknown |
| 25/02/1905 | Cardiff | 9 | 9 | Penarth | Cardiff Arms Park, Cardiff |
| 30/09/1905 | Cardiff | 11 | 6 | Penarth | Cardiff Arms Park, Cardiff |
| 15/12/1906 | Cardiff | 11 | 8 | Penarth | Cardiff Arms Park, Cardiff |
| 02/11/1907 | Cardiff | 13 | 5 | Penarth | Cardiff Arms Park, Cardiff |
| 02/01/1909 | Cardiff | 13 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 18/09/1909 | Cardiff | 6 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 30/04/1910 | Cardiff | 14 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 24/12/1910 | Cardiff | 21 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 19/04/1911 | Penarth | 0 | 3 | Cardiff | Unknown |
| 16/09/1911 | Cardiff | 32 | 7 | Penarth | Cardiff Arms Park, Cardiff |
| 24/02/1912 | Penarth | 3 | 9 | Cardiff | Unknown |
| 14/09/1912 | Cardiff | 7 | 8 | Penarth | Cardiff Arms Park, Cardiff |
| 27/03/1913 | Penarth | 0 | 0 | Cardiff | Unknown |
| 20/09/1913 | Cardiff | 7 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 24/12/1913 | Penarth | 0 | 6 | Cardiff | Unknown |
| 18/04/1919 | Cardiff | 6 | 6 | Penarth | Cardiff Arms Park, Cardiff |
| 26/04/1919 | Cardiff | 0 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 13/09/1919 | Cardiff | 14 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 07/04/1920 | Penarth | 5 | 5 | Cardiff | Unknown |
| 11/09/1920 | Cardiff | 9 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 16/04/1921 | Cardiff | 10 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 10/09/1921 | Cardiff | 4 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 19/04/1922 | Cardiff | 16 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 04/11/1922 | Cardiff | 32 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 26/12/1922 | Cardiff | 28 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 02/02/1924 | Cardiff | 17 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 18/02/1925 | Penarth | 9 | 0 | Cardiff | Unknown |
| 14/03/1925 | Cardiff | 10 | 6 | Penarth | Cardiff Arms Park, Cardiff |
| 13/03/1926 | Cardiff | 11 | 6 | Penarth | Cardiff Arms Park, Cardiff |
| 18/12/1926 | Penarth | 12 | 7 | Cardiff | Unknown |
| 25/04/1927 | Cardiff | 6 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 22/10/1927 | Cardiff | 6 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 28/03/1928 | Penarth | 8 | 0 | Cardiff | Unknown |
| 17/10/1928 | Penarth | 6 | 15 | Cardiff | Unknown |
| 22/04/1929 | Cardiff | 3 | 5 | Penarth | Cardiff Arms Park, Cardiff |
| 19/09/1929 | Cardiff | 9 | 5 | Penarth | Cardiff Arms Park, Cardiff |
| 02/04/1930 | Penarth | 3 | 16 | Cardiff | Unknown |
| 14/03/1931 | Cardiff | 7 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 15/04/1931 | Penarth | 3 | 5 | Cardiff | Unknown |
| 30/09/1931 | Penarth | 5 | 0 | Cardiff | Unknown |
| 23/04/1932 | Cardiff | 15 | 4 | Penarth | Cardiff Arms Park, Cardiff |
| 10/12/1932 | Cardiff | 3 | 5 | Penarth | Cardiff Arms Park, Cardiff |
| 29/03/1933 | Penarth | 3 | 5 | Cardiff | Unknown |
| 11/04/1934 | Penarth | 0 | 6 | Cardiff | Unknown |
| 05/05/1934 | Cardiff | 11 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 01/01/1935 | Cardiff | 6 | 6 | Penarth | Cardiff Arms Park, Cardiff |
| 27/04/1935 | Penarth | 0 | 0 | Cardiff | Unknown |
| 23/02/1938 | Penarth | 6 | 17 | Cardiff | Unknown |
| 02/05/1947 | Cardiff | 32 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 13/03/1948 | Penarth | 15 | 6 | Cardiff | Athletic Field, Penarth |
| 21/04/1948 | Cardiff | 29 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 06/11/1948 | Cardiff | 11 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 24/12/1948 | Penarth | 11 | 12 | Cardiff | Athletic Field, Penarth |
| 03/09/1949 | Cardiff | 34 | 5 | Penarth | Cardiff Arms Park, Cardiff |
| 24/12/1949 | Penarth | 6 | 12 | Cardiff | Athletic Field, Penarth |
| 06/09/1950 | Cardiff | 9 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 12/09/1951 | Cardiff | 5 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 16/02/1952 | Cardiff | 18 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 10/09/1952 | Cardiff | 25 | 8 | Penarth | Cardiff Arms Park, Cardiff |
| 14/03/1953 | Penarth | 6 | 6 | Cardiff | Athletic Field, Penarth |
| 30/09/1953 | Cardiff | 12 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 31/03/1954 | Penarth | 6 | 20 | Cardiff | Athletic Field, Penarth |
| 08/09/1954 | Penarth | 3 | 15 | Cardiff | Athletic Field, Penarth |
| 27/04/1955 | Cardiff | 16 | 5 | Penarth | Cardiff Arms Park, Cardiff |
| 14/09/1955 | Cardiff | 16 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 21/03/1956 | Penarth | 3 | 5 | Cardiff | Athletic Field, Penarth |
| 08/09/1956 | Cardiff | 26 | 5 | Penarth | Cardiff Arms Park, Cardiff |
| 03/04/1957 | Penarth | 10 | 3 | Cardiff | Athletic Field, Penarth |
| 09/10/1957 | Cardiff | 25 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 19/03/1958 | Penarth | 3 | 13 | Cardiff | Athletic Field, Penarth |
| 24/09/1958 | Penarth | 8 | 9 | Cardiff | Athletic Field, Penarth |
| 01/10/1958 | Cardiff | 8 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 30/09/1959 | Penarth | 3 | 16 | Cardiff | Athletic Field, Penarth |
| 28/10/1959 | Cardiff | 9 | 8 | Penarth | Cardiff Arms Park, Cardiff |
| 14/09/1960 | Penarth | 3 | 6 | Cardiff | Athletic Field, Penarth |
| 05/10/1960 | Cardiff | 35 | 6 | Penarth | Cardiff Arms Park, Cardiff |
| 04/10/1961 | Penarth | 0 | 32 | Cardiff | Athletic Field, Penarth |
| 25/04/1962 | Cardiff | 16 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 12/09/1962 | Cardiff | 8 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 03/04/1963 | Penarth | 0 | 3 | Cardiff | Athletic Field, Penarth |
| 18/09/1963 | Cardiff | 24 | 6 | Penarth | Cardiff Arms Park, Cardiff |
| 02/10/1963 | Penarth | 12 | 31 | Cardiff | Athletic Field, Penarth |
| 15/09/1964 | Penarth | 3 | 35 | Cardiff | Athletic Field, Penarth |
| 30/09/1964 | Cardiff | 14 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 04/09/1965 | Cardiff | 41 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 30/03/1966 | Penarth | 0 | 11 | Cardiff | Athletic Field, Penarth |
| 05/04/1967 | Penarth | 5 | 28 | Cardiff | Athletic Field, Penarth |
| 27/03/1968 | Penarth | 8 | 38 | Cardiff | Athletic Field, Penarth |
| 02/10/1968 | Penarth | 0 | 17 | Cardiff | Athletic Field, Penarth |
| 22/03/1969 | Cardiff | 14 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 18/03/1970 | Penarth | 6 | 19 | Cardiff | Athletic Field, Penarth |
| 07/10/1970 | Penarth | 12 | 36 | Cardiff | Athletic Field, Penarth |
| 06/10/1971 | Penarth | 6 | 30 | Cardiff | Athletic Field, Penarth |
| 04/10/1972 | Penarth | 4 | 26 | Cardiff | Athletic Field, Penarth |
| 03/10/1973 | Penarth | 13 | 29 | Cardiff | Athletic Field, Penarth |
| 13/11/1974 | Cardiff | 31 | 9 | Penarth | Cardiff Arms Park, Cardiff |
| 01/10/1975 | Cardiff | 21 | 15 | Penarth | Cardiff Arms Park, Cardiff |
| 15/09/1976 | Cardiff | 62 | 15 | Penarth | Cardiff Arms Park, Cardiff |
| 19/10/1977 | Cardiff | 21 | 12 | Penarth | Cardiff Arms Park, Cardiff |
| 20/09/1978 | Cardiff | 62 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 26/09/1979 | Penarth | 0 | 12 | Cardiff | Athletic Field, Penarth |
| 17/09/1980 | Cardiff | 34 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 16/09/1981 | Penarth | 7 | 23 | Cardiff | Athletic Field, Penarth |
| 15/09/1982 | Cardiff | 70 | 0 | Penarth | Cardiff Arms Park, Cardiff |
| 12/10/1983 | Penarth | 6 | 22 | Cardiff | Athletic Field, Penarth |
| 19/09/1984 | Cardiff | 64 | 3 | Penarth | Cardiff Arms Park, Cardiff |
| 18/09/1985 | Penarth | 6 | 37 | Cardiff | Athletic Field, Penarth |
| 18/03/1987 | Cardiff | 37 | 24 | Penarth | Cardiff Arms Park, Cardiff |
| 16/03/1988 | Penarth | 19 | 55 | Cardiff | Athletic Field, Penarth |
| 15/02/1989 | Cardiff | 34 | 7 | Penarth | Cardiff Arms Park, Cardiff |
| 05/03/1990 | Penarth | 12 | 58 | Cardiff | Athletic Field, Penarth |
| 02/10/1990 | Cardiff | 48 | 21 | Penarth | Cardiff Arms Park, Cardiff |
| 08/10/1991 | Penarth | 4 | 19 | Cardiff | Athletic Field, Penarth |
| 06/10/1992 | Cardiff | 75 | 7 | Penarth | Cardiff Arms Park, Cardiff |
| 15/09/1993 | Cardiff | 17 | 26 | Penarth | Cardiff Arms Park, Cardiff |
| 15/03/1994 | Penarth | 7 | 20 | Cardiff | Athletic Field, Penarth |
| 02/11/1994 | Penarth | 17 | 42 | Cardiff | Athletic Field, Penarth |
| 18/10/1995 | Cardiff | 10 | 13 | Penarth | Cardiff Arms Park, Cardiff |
| 20/01/1996 | Penarth | 6 | 62 | Cardiff | Athletic Field, Penarth |
