A complete record of competitive matches played between the two teams
| Chelsea (40) | Portsmouth (40) | |||||
|---|---|---|---|---|---|---|
| Results | Total | % | Results | Total | % | |
| Chelsea | 21 | 8.4 | Portsmouth | 13 | 5.2 | |
| Portsmouth | 6 | 2.4 | Chelsea | 17 | 6.8 | |
| Draws | 13 | 5.2 | Draws | 10 | 4 | |
| Goals | Total | Av.pg | Goals | Total | Av.pg | |
| Chelsea | 83 | 2.08 | Portsmouth | 59 | 1.48 | |
| Portsmouth | 49 | 1.23 | Chelsea | 68 | 1.70 | |
| Records | |||||
|---|---|---|---|---|---|
| Highest Aggregate | 6 | Chelsea | 1 - 5 | Portsmouth | 1955/1956 |
| Highest Chelsea score: | 7 | Chelsea | 7 - 4 | Portsmouth | 1957/1958 |
| Highest Portsmouth score: | 5 | Portsmouth | 5 - 1 | Chelsea | 1955/1956 |
| Season | Date | Home | Score | Away | Competition |
|---|---|---|---|---|---|
| 1924/1925 | Sat 01 Aug | Chelsea | 2 - 3 | Portsmouth | League |
| 1925/1926 | Sat 01 Aug | Chelsea | 0 - 0 | Portsmouth | League |
| 1926/1927 | Sat 01 Aug | Chelsea | 0 - 0 | Portsmouth | League |
| 1930/1931 | Sat 01 Aug | Chelsea | 2 - 0 | Portsmouth | League |
| 1931/1932 | Sat 01 Aug | Chelsea | 0 - 0 | Portsmouth | League |
| 1932/1933 | Sat 01 Aug | Chelsea | 4 - 4 | Portsmouth | League |
| 1933/1934 | Sat 01 Aug | Chelsea | 4 - 0 | Portsmouth | League |
| 1934/1935 | Sat 01 Aug | Chelsea | 1 - 1 | Portsmouth | League |
| 1935/1936 | Sat 01 Aug | Chelsea | 1 - 0 | Portsmouth | League |
| 1936/1937 | Sat 01 Aug | Chelsea | 1 - 1 | Portsmouth | League |
| 1924/1925 | Sat 01 Aug | Portsmouth | 0 - 0 | Chelsea | League |
| 1925/1926 | Sat 01 Aug | Portsmouth | 4 - 0 | Chelsea | League |
| 1926/1927 | Sat 01 Aug | Portsmouth | 2 - 3 | Chelsea | League |
| 1930/1931 | Sat 01 Aug | Portsmouth | 1 - 1 | Chelsea | League |
| 1931/1932 | Sat 01 Aug | Portsmouth | 1 - 0 | Chelsea | League |
| 1932/1933 | Sat 01 Aug | Portsmouth | 2 - 0 | Chelsea | League |
| 1933/1934 | Sat 01 Aug | Portsmouth | 0 - 2 | Chelsea | League |
| 1934/1935 | Sat 01 Aug | Portsmouth | 1 - 1 | Chelsea | League |
| 1935/1936 | Sat 01 Aug | Portsmouth | 2 - 0 | Chelsea | League |
| 1936/1937 | Sat 01 Aug | Portsmouth | 4 - 1 | Chelsea | League |
| 2011/2012 | Sun 08 Jan | Chelsea | 4 - 0 | Portsmouth | F.A. Cup |
| 2009/2010 | Sat 15 May | Chelsea | 1 - 0 | Portsmouth | F.A. Cup |
| Wed 24 Mar | Portsmouth | 0 - 5 | Chelsea | League | |
| Wed 16 Dec | Chelsea | 2 - 1 | Portsmouth | League | |
| 2008/2009 | Tue 03 Mar | Portsmouth | 0 - 1 | Chelsea | League |
| Wed 24 Sep | Portsmouth | 0 - 4 | Chelsea | League Cup | |
| Sun 17 Aug | Chelsea | 4 - 0 | Portsmouth | League | |
| 2007/2008 | Sat 02 Feb | Portsmouth | 1 - 1 | Chelsea | League |
| Sat 25 Aug | Chelsea | 1 - 0 | Portsmouth | League | |
| 2006/2007 | Sat 03 Mar | Portsmouth | 0 - 2 | Chelsea | League |
| Sat 21 Oct | Chelsea | 2 - 1 | Portsmouth | League | |
| 2005/2006 | Sat 25 Feb | Chelsea | 2 - 0 | Portsmouth | League |
| Sat 26 Nov | Portsmouth | 0 - 2 | Chelsea | League | |
| 2004/2005 | Sat 22 Jan | Chelsea | 3 - 0 | Portsmouth | League |
| Tue 28 Dec | Portsmouth | 0 - 2 | Chelsea | League | |
| 2003/2004 | Wed 11 Feb | Portsmouth | 0 - 2 | Chelsea | League |
| Sun 28 Dec | Chelsea | 3 - 0 | Portsmouth | League | |
| 1996/1997 | Sun 09 Mar | Portsmouth | 1 - 4 | Chelsea | F.A. Cup |
| 1990/1991 | Tue 06 Nov | Portsmouth | 2 - 3 | Chelsea | League Cup |
| Wed 31 Oct | Chelsea | 0 - 0 | Portsmouth | League Cup | |
| 1988/1989 | Sat 13 May | Portsmouth | 2 - 3 | Chelsea | League |
| Sat 10 Dec | Chelsea | 3 - 3 | Portsmouth | League | |
| 1987/1988 | Sat 23 Jan | Chelsea | 0 - 0 | Portsmouth | League |
| Tue 18 Aug | Portsmouth | 0 - 3 | Chelsea | League | |
| 1983/1984 | Tue 24 Apr | Portsmouth | 2 - 2 | Chelsea | League |
| Tue 27 Dec | Chelsea | 2 - 2 | Portsmouth | League | |
| 1975/1976 | Wed 25 Feb | Chelsea | 2 - 0 | Portsmouth | League |
| Tue 23 Sep | Portsmouth | 1 - 1 | Chelsea | League | |
| 1962/1963 | Tue 21 May | Chelsea | 7 - 0 | Portsmouth | League |
| Sat 29 Sep | Portsmouth | 0 - 2 | Chelsea | League | |
| 1958/1959 | Sat 17 Jan | Chelsea | 2 - 2 | Portsmouth | League |
| Sat 06 Sep | Portsmouth | 2 - 2 | Chelsea | League | |
| 1957/1958 | Thu 26 Dec | Portsmouth | 3 - 0 | Chelsea | League |
| Wed 25 Dec | Chelsea | 7 - 4 | Portsmouth | League | |
| 1956/1957 | Sat 09 Feb | Portsmouth | 2 - 2 | Chelsea | League |
| Sat 29 Sep | Chelsea | 3 - 3 | Portsmouth | League | |
| 1955/1956 | Sat 31 Dec | Portsmouth | 4 - 4 | Chelsea | League |
| Sat 03 Sep | Chelsea | 1 - 5 | Portsmouth | League | |
| 1954/1955 | Sat 16 Apr | Portsmouth | 0 - 0 | Chelsea | League |
| Sat 27 Nov | Chelsea | 4 - 1 | Portsmouth | League | |
| 1953/1954 | Wed 02 Sep | Portsmouth | 3 - 2 | Chelsea | League |
| Tue 25 Aug | Chelsea | 4 - 3 | Portsmouth | League | |
| 1952/1953 | Sat 03 Jan | Portsmouth | 2 - 0 | Chelsea | League |
| Sat 30 Aug | Chelsea | 2 - 0 | Portsmouth | League | |
| 1951/1952 | Sat 29 Dec | Chelsea | 1 - 1 | Portsmouth | League |
| Sat 01 Sep | Portsmouth | 1 - 0 | Chelsea | League | |
| 1950/1951 | Tue 26 Dec | Chelsea | 1 - 4 | Portsmouth | League |
| Mon 25 Dec | Portsmouth | 1 - 3 | Chelsea | League | |
| 1949/1950 | Sat 25 Mar | Portsmouth | 4 - 0 | Chelsea | League |
| Sat 05 Nov | Chelsea | 1 - 4 | Portsmouth | League | |
| 1948/1949 | Mon 27 Dec | Portsmouth | 5 - 2 | Chelsea | League |
| Sat 25 Dec | Chelsea | 1 - 2 | Portsmouth | League | |
| 1947/1948 | Sat 01 May | Portsmouth | 2 - 1 | Chelsea | League |
| Sat 13 Dec | Chelsea | 1 - 0 | Portsmouth | League | |
| 1946/1947 | Mon 26 May | Chelsea | 0 - 3 | Portsmouth | League |
| Sat 19 Oct | Portsmouth | 0 - 2 | Chelsea | League | |
| 1938/1939 | Sat 22 Apr | Chelsea | 1 - 0 | Portsmouth | League |
| Sat 17 Dec | Portsmouth | 2 - 1 | Chelsea | League | |
| 1937/1938 | Sat 12 Feb | Chelsea | 3 - 1 | Portsmouth | League |
| Sat 02 Oct | Portsmouth | 2 - 4 | Chelsea | League |