A complete record of competitive matches played between the two teams
| Portsmouth (18) | Gillingham (17) | |||||
|---|---|---|---|---|---|---|
| Results | Total | % | Results | Total | % | |
| Portsmouth | 10 | 1.8 | Gillingham | 7 | 1.19 | |
| Gillingham | 2 | 0.36 | Portsmouth | 6 | 1.02 | |
| Draws | 6 | 1.08 | Draws | 4 | 0.72 | |
| Goals | Total | Av.pg | Goals | Total | Av.pg | |
| Portsmouth | 28 | 1.56 | Gillingham | 25 | 1.47 | |
| Gillingham | 14 | 0.78 | Portsmouth | 22 | 1.29 | |
| Records | |||||
|---|---|---|---|---|---|
| Highest Aggregate | 7 | Gillingham | 3 - 4 | Portsmouth | 1991/1992 |
| Highest Portsmouth score: | 6 | Portsmouth | 6 - 1 | Gillingham | 1922/1923 |
| Highest Gillingham score: | 3 | Gillingham | 3 - 1 | Portsmouth | 2017/2018 |
| Season | Date | Home | Score | Away | Competition |
|---|---|---|---|---|---|
| 2019/2020 | Sat 12 Oct | Portsmouth | 0 - 0 | Gillingham | League |
| 2018/2019 | Wed 26 Dec | Gillingham | 0 - 0 | Portsmouth | League |
| Wed 26 Dec | Gillingham | 2 - 0 | Portsmouth | League | |
| Sat 06 Oct | Portsmouth | 0 - 0 | Gillingham | League | |
| Sat 06 Oct | Portsmouth | 0 - 2 | Gillingham | League | |
| 2017/2018 | Sat 10 Mar | Portsmouth | 1 - 3 | Gillingham | League |
| Sun 08 Oct | Gillingham | 0 - 1 | Portsmouth | League | |
| 1921/1922 | Sat 01 Aug | Gillingham | 1 - 2 | Portsmouth | League |
| 1922/1923 | Sat 01 Aug | Gillingham | 4 - 2 | Portsmouth | League |
| 1923/1924 | Sat 01 Aug | Gillingham | 0 - 2 | Portsmouth | League |
| Sat 01 Aug | Portsmouth | 3 - 0 | Gillingham | League | |
| 1920/1921 | Sat 01 Aug | Portsmouth | 2 - 2 | Gillingham | League |
| Sat 01 Aug | Gillingham | 1 - 1 | Portsmouth | League | |
| 1921/1922 | Sat 01 Aug | Portsmouth | 4 - 1 | Gillingham | League |
| 1922/1923 | Sat 01 Aug | Portsmouth | 6 - 1 | Gillingham | League |
| 2005/2006 | Tue 20 Sep | Gillingham | 3 - 2 | Portsmouth | League Cup |
| 2004/2005 | Sat 08 Jan | Portsmouth | 1 - 0 | Gillingham | F.A. Cup |
| 2002/2003 | Sat 22 Feb | Portsmouth | 1 - 0 | Gillingham | League |
| Sat 07 Sep | Gillingham | 1 - 3 | Portsmouth | League | |
| 2001/2002 | Wed 26 Dec | Gillingham | 2 - 0 | Portsmouth | League |
| Sat 08 Sep | Portsmouth | 2 - 1 | Gillingham | League | |
| 2000/2001 | Mon 01 Jan | Portsmouth | 0 - 0 | Gillingham | League |
| Fri 25 Aug | Gillingham | 1 - 1 | Portsmouth | League | |
| 1991/1992 | Tue 27 Aug | Gillingham | 3 - 4 | Portsmouth | League Cup |
| Tue 20 Aug | Portsmouth | 2 - 1 | Gillingham | League Cup | |
| 1982/1983 | Sat 19 Mar | Gillingham | 1 - 0 | Portsmouth | League |
| Sat 06 Nov | Portsmouth | 1 - 0 | Gillingham | League | |
| 1981/1982 | Tue 09 Mar | Portsmouth | 1 - 0 | Gillingham | League |
| Tue 20 Oct | Gillingham | 4 - 2 | Portsmouth | League | |
| 1980/1981 | Sat 11 Apr | Portsmouth | 0 - 0 | Gillingham | League |
| Sat 08 Nov | Gillingham | 0 - 1 | Portsmouth | League | |
| 1977/1978 | Mon 27 Mar | Portsmouth | 1 - 1 | Gillingham | League |
| Mon 26 Dec | Gillingham | 0 - 0 | Portsmouth | League | |
| 1976/1977 | Sat 26 Feb | Portsmouth | 3 - 2 | Gillingham | League |
| Sat 18 Sep | Gillingham | 2 - 1 | Portsmouth | League |