| RETURN TO LEAGUE LISTING | |||||||||||
| Year | Division | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 2004/2005 | English Division 1 | Gillingham | 0-0 | Reading | 01/01/2005 | 0 | 1 | 0 | 0 | 0 | |
| English Division 1 | Reading | 3-1 | Gillingham | 18/09/2004 | 0 | 0 | 1 | 1 | 3 | ||
| 2003/2004 | English Division 1 | Gillingham | 0-1 | Reading | 21/02/2004 | 0 | 0 | 1 | 0 | 1 | |
| English Division 1 | Reading | 2-1 | Gillingham | 14/10/2003 | 0 | 0 | 1 | 1 | 2 | ||
| 2002/2003 | English Division 1 | Reading | 2-1 | Gillingham | 10/02/2003 | Live TV | 0 | 0 | 1 | 1 | 2 |
| English Division 1 | Gillingham | 0-1 | Reading | 09/11/2002 | 0 | 0 | 1 | 0 | 1 | ||
| 1999/2000 | English Division 2 | Reading | 2-2 | Gillingham | 07/04/2000 | 0 | 1 | 0 | 2 | 2 | |
| English Division 2 | Gillingham | 2-2 | Reading | 03/01/2000 | 0 | 1 | 0 | 2 | 2 | ||
| 1998/1999 | English Division 2 | Gillingham | 2-1 | Reading | 01/04/1999 | 1 | 0 | 0 | 2 | 1 | |
| English Division 2 | Reading | 0-0 | Gillingham | 17/10/1998 | 0 | 1 | 0 | 0 | 0 | ||
| 1988/1989 | English Division 3 (old) | Reading | 1-2 | Gillingham | 22/04/1989 | 1 | 0 | 0 | 2 | 1 | |
| English Division 3 (old) | Gillingham | 0-1 | Reading | 24/09/1988 | 0 | 0 | 1 | 0 | 1 | ||
| 1985/1986 | English Division 3 (old) | Gillingham | 3-0 | Reading | 29/03/1986 | 1 | 0 | 0 | 3 | 0 | |
| English Division 3 (old) | Reading | 1-2 | Gillingham | 01/01/1986 | 1 | 0 | 0 | 2 | 1 | ||
| 1984/1985 | English Division 3 (old) | Reading | 0-2 | Gillingham | 14/05/1985 | 1 | 0 | 0 | 2 | 0 | |
| English Division 3 (old) | Gillingham | 4-1 | Reading | 23/10/1984 | 1 | 0 | 0 | 4 | 1 | ||
| 1982/1983 | English Division 3 (old) | Reading | 0-0 | Gillingham | 16/04/1983 | 0 | 1 | 0 | 0 | 0 | |
| English Division 3 (old) | Gillingham | 1-0 | Reading | 28/09/1982 | 1 | 0 | 0 | 1 | 0 | ||
| 1981/1982 | English Division 3 (old) | Gillingham | 2-1 | Reading | 18/05/1982 | 1 | 0 | 0 | 2 | 1 | |
| English Division 3 (old) | Reading | 3-2 | Gillingham | 05/09/1981 | 0 | 0 | 1 | 2 | 3 | ||
| 1980/1981 | English Division 3 (old) | Reading | 0-1 | Gillingham | 12/11/1980 | 1 | 0 | 0 | 1 | 0 | |
| English Division 3 (old) | Gillingham | 2-0 | Reading | 19/08/1980 | 1 | 0 | 0 | 2 | 0 | ||
| 1979/1980 | English Division 3 (old) | Gillingham | 1-1 | Reading | 12/01/1980 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 (old) | Reading | 1-3 | Gillingham | 01/09/1979 | 1 | 0 | 0 | 3 | 1 | ||
| 1976/1977 | English Division 3 (old) | Reading | 1-2 | Gillingham | 22/01/1977 | 1 | 0 | 0 | 2 | 1 | |
| English Division 3 (old) | Gillingham | 2-2 | Reading | 21/08/1976 | 0 | 1 | 0 | 2 | 2 | ||
| 1973/1974 | English Division 4 | Gillingham | 0-1 | Reading | 30/03/1974 | 0 | 0 | 1 | 0 | 1 | |
| English Division 4 | Reading | 0-1 | Gillingham | 03/11/1973 | 1 | 0 | 0 | 1 | 0 | ||
| 1972/1973 | English Division 4 | Reading | 3-1 | Gillingham | 10/03/1973 | 0 | 0 | 1 | 1 | 3 | |
| English Division 4 | Gillingham | 1-0 | Reading | 14/10/1972 | 1 | 0 | 0 | 1 | 0 | ||
| 1971/1972 | English Division 4 | Gillingham | 4-2 | Reading | 04/03/1972 | 1 | 0 | 0 | 4 | 2 | |
| English Division 4 | Reading | 1-2 | Gillingham | 13/11/1971 | 1 | 0 | 0 | 2 | 1 | ||
| 1970/1971 | English Division 3 (old) | Reading | 3-2 | Gillingham | 17/10/1970 | 0 | 0 | 1 | 2 | 3 | |
| English Division 3 (old) | Gillingham | 0-0 | Reading | 15/08/1970 | 0 | 1 | 0 | 0 | 0 | ||
| 1969/1970 | English Division 3 (old) | Reading | 1-0 | Gillingham | 08/10/1969 | 0 | 0 | 1 | 0 | 1 | |
| English Division 3 (old) | Gillingham | 1-3 | Reading | 16/08/1969 | 0 | 0 | 1 | 1 | 3 | ||
| 1968/1969 | English Division 3 (old) | Gillingham | 2-2 | Reading | 26/12/1968 | 0 | 1 | 0 | 2 | 2 | |
| English Division 3 (old) | Reading | 3-2 | Gillingham | 04/10/1968 | 0 | 0 | 1 | 2 | 3 | ||
| 1967/1968 | English Division 3 (old) | Reading | 3-1 | Gillingham | 03/02/1968 | 0 | 0 | 1 | 1 | 3 | |
| English Division 3 (old) | Gillingham | 3-0 | Reading | 23/09/1967 | 1 | 0 | 0 | 3 | 0 | ||
| 1966/1967 | English Division 3 (old) | Gillingham | 0-2 | Reading | 15/04/1967 | 0 | 0 | 1 | 0 | 2 | |
| English Division 3 (old) | Reading | 2-1 | Gillingham | 19/11/1966 | 0 | 0 | 1 | 1 | 2 | ||
| 1965/1966 | English Division 3 (old) | Gillingham | 2-4 | Reading | 23/03/1966 | 0 | 0 | 1 | 2 | 4 | |
| English Division 3 (old) | Reading | 2-2 | Gillingham | 15/09/1965 | 0 | 1 | 0 | 2 | 2 | ||
| 1964/1965 | English Division 3 (old) | Reading | 3-0 | Gillingham | 19/04/1965 | 0 | 0 | 1 | 0 | 3 | |
| English Division 3 (old) | Gillingham | 2-1 | Reading | 16/04/1965 | 1 | 0 | 0 | 2 | 1 | ||
| 1957/1958 | English Division 3 South | Reading | 4-0 | Gillingham | 12/04/1958 | 0 | 0 | 1 | 0 | 4 | |
| English Division 3 South | Gillingham | 2-1 | Reading | 30/11/1957 | 1 | 0 | 0 | 2 | 1 | ||
| 1956/1957 | English Division 3 South | Gillingham | 0-0 | Reading | 06/04/1957 | 0 | 1 | 0 | 0 | 0 | |
| English Division 3 South | Reading | 4-0 | Gillingham | 24/11/1956 | 0 | 0 | 1 | 0 | 4 | ||
| 1955/1956 | English Division 3 South | Gillingham | 2-0 | Reading | 31/12/1955 | 1 | 0 | 0 | 2 | 0 | |
| English Division 3 South | Reading | 1-2 | Gillingham | 03/09/1955 | 1 | 0 | 0 | 2 | 1 | ||
| 1954/1955 | English Division 3 South | Gillingham | 5-1 | Reading | 22/01/1955 | 1 | 0 | 0 | 5 | 1 | |
| English Division 3 South | Reading | 2-2 | Gillingham | 11/09/1954 | 0 | 1 | 0 | 2 | 2 | ||
| 1953/1954 | English Division 3 South | Reading | 0-1 | Gillingham | 19/12/1953 | 1 | 0 | 0 | 1 | 0 | |
| English Division 3 South | Gillingham | 3-0 | Reading | 22/08/1953 | 1 | 0 | 0 | 3 | 0 | ||
| 1952/1953 | English Division 3 South | Reading | 3-2 | Gillingham | 04/04/1953 | 0 | 0 | 1 | 2 | 3 | |
| English Division 3 South | Gillingham | 2-1 | Reading | 15/11/1952 | 1 | 0 | 0 | 2 | 1 | ||
| 1951/1952 | English Division 3 South | Reading | 2-1 | Gillingham | 19/01/1952 | 0 | 0 | 1 | 1 | 2 | |
| English Division 3 South | Gillingham | 1-1 | Reading | 15/09/1951 | 0 | 1 | 0 | 1 | 1 | ||
| 1950/1951 | English Division 3 South | Reading | 1-1 | Gillingham | 26/12/1950 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 South | Gillingham | 0-3 | Reading | 25/12/1950 | 0 | 0 | 1 | 0 | 3 | ||
| 1937/1938 | English Division 3 South | Reading | 2-0 | Gillingham | 07/05/1938 | 0 | 0 | 1 | 0 | 2 | |
| English Division 3 South | Gillingham | 1-2 | Reading | 15/09/1937 | 0 | 0 | 1 | 1 | 2 | ||
| 1936/1937 | English Division 3 South | Reading | 6-2 | Gillingham | 27/02/1937 | 0 | 0 | 1 | 2 | 6 | |
| English Division 3 South | Gillingham | 2-1 | Reading | 24/10/1936 | 1 | 0 | 0 | 2 | 1 | ||
| 1935/1936 | English Division 3 South | Gillingham | 2-0 | Reading | 18/01/1936 | 1 | 0 | 0 | 2 | 0 | |
| English Division 3 South | Reading | 1-0 | Gillingham | 14/09/1935 | 0 | 0 | 1 | 0 | 1 | ||
| 1934/1935 | English Division 3 South | Gillingham | 1-1 | Reading | 05/01/1935 | 0 | 1 | 0 | 1 | 1 | |
| English Division 3 South | Reading | 3-0 | Gillingham | 01/09/1934 | 0 | 0 | 1 | 0 | 3 | ||
| 1933/1934 | English Division 3 South | Reading | 2-0 | Gillingham | 06/01/1934 | 0 | 0 | 1 | 0 | 2 | |
| English Division 3 South | Gillingham | 5-1 | Reading | 02/09/1933 | 1 | 0 | 0 | 5 | 1 | ||
| 1932/1933 | English Division 3 South | Reading | 4-0 | Gillingham | 17/04/1933 | 0 | 0 | 1 | 0 | 4 | |
| English Division 3 South | Gillingham | 4-1 | Reading | 14/04/1933 | 1 | 0 | 0 | 4 | 1 | ||
| 1931/1932 | English Division 3 South | Reading | 2-0 | Gillingham | 07/05/1932 | 0 | 0 | 1 | 0 | 2 | |
| English Division 3 South | Gillingham | 1-1 | Reading | 02/09/1931 | 0 | 1 | 0 | 1 | 1 | ||
| 1925/1926 | English Division 3 South | Reading | 1-0 | Gillingham | 06/02/1926 | 0 | 0 | 1 | 0 | 1 | |
| English Division 3 South | Gillingham | 4-1 | Reading | 26/09/1925 | 1 | 0 | 0 | 4 | 1 | ||
| 1924/1925 | English Division 3 South | Gillingham | 0-0 | Reading | 28/03/1925 | 0 | 1 | 0 | 0 | 0 | |
| English Division 3 South | Reading | 0-1 | Gillingham | 22/11/1924 | 1 | 0 | 0 | 1 | 0 | ||
| 1923/1924 | English Division 3 South | Reading | 4-0 | Gillingham | 09/02/1924 | 0 | 0 | 1 | 0 | 4 | |
| English Division 3 South | Gillingham | 1-0 | Reading | 02/02/1924 | 1 | 0 | 0 | 1 | 0 | ||
| 1922/1923 | English Division 3 South | Gillingham | 2-1 | Reading | 24/03/1923 | 1 | 0 | 0 | 2 | 1 | |
| English Division 3 South | Reading | 1-1 | Gillingham | 17/03/1923 | 0 | 1 | 0 | 1 | 1 | ||
| 1921/1922 | English Division 3 South | Gillingham | 2-0 | Reading | 25/02/1922 | 1 | 0 | 0 | 2 | 0 | |
| English Division 3 South | Reading | 2-1 | Gillingham | 18/02/1922 | 0 | 0 | 1 | 1 | 2 | ||
| 1920/1921 | English Division 3 (old) | Gillingham | 1-0 | Reading | 08/09/1920 | 1 | 0 | 0 | 1 | 0 | |
| English Division 3 (old) | Reading | 1-2 | Gillingham | 01/09/1920 | 1 | 0 | 0 | 2 | 1 | ||
| Year | Competition | Home | Away | Date | Win | Draw | Loss | Gills Gls | Away Gls | ||
| 1995/1996 | FA Cup 3rd Rd | Reading | 3-1 | Gillingham | 06/01/1996 | 0 | 0 | 1 | 1 | 3 | |
| 1994/1995 | League Cup 1st Rd 1st Leg | Reading | 3-0 | Gillingham | 23/08/1994 | 0 | 0 | 1 | 0 | 3 | |
| League Cup 1st Rd 2nd Leg | Gillingham | 0-1 | Reading | 16/08/1994 | 0 | 0 | 1 | 0 | 1 | ||
| 1978/1979 | FA Cup 1st Rd | Reading | 0-0 | Gillingham | 25/11/1978 | 0 | 1 | 0 | 0 | 0 | |
| FA Cup 1st Rd Replay | Gillingham | 1-2 | Reading | 28/11/1978 | 0 | 0 | 1 | 1 | 2 | ||
| League Cup 1st Rd 1st Leg | Gillingham | 1-2 | Reading | 12/08/1978 | 0 | 0 | 1 | 1 | 2 | ||
| League Cup 1st Rd 2nd Leg | Reading | 3-1 | Gillingham | 15/08/1978 | 0 | 0 | 1 | 1 | 3 | ||
| 1975/1976 | League Cup 1st Rd 1st Leg | Reading | 0-1 | Gillingham | 20/08/1975 | 1 | 0 | 0 | 1 | 0 | |
| League Cup 1st Rd 2nd Leg | Gillingham | 1-1 | Reading | 25/08/1975 | 0 | 1 | 0 | 1 | 1 | ||
| 1972/1973 | FA Cup 1st Rd | Gillingham | 1-2 | Reading | 18/11/1972 | 0 | 0 | 1 | 1 | 2 | |
| 1971/1972 | League Cup 1st Rd | Gillingham | 4-0 | Reading | 18/08/1971 | 1 | 0 | 0 | 4 | 0 | |
| 1954/1955 | FA Cup 2nd Rd Replay | Reading | 5-3 | Gillingham | 13/12/1954 | 0 | 0 | 1 | 3 | 5 | |
| FA Cup 2nd Rd | Gillingham | 1-1 | Reading | 11/12/1954 | 0 | 1 | 0 | 1 | 1 | ||
| League | W | D | L | GF | GA | ||||||
| Home | 24 | 11 | 9 | 75 | 42 | ||||||
| Away | 12 | 7 | 25 | 47 | 83 | ||||||