Portsmouth have played Boston United 1 times in competitive football, winning 1, drawing 0 and losing 0, first meeting on 15 Jan 1972 and most recently on 15 Jan 1972. Every meeting is listed below.
| Date | Season | Competition | Venue | Opponent | Score | Scorers | Att |
|---|---|---|---|---|---|---|---|
| 15 Jan 1972 | 1971–72 | FA Cup | A | Boston United | 1–0 |
All Portsmouth head-to-head records · Portsmouth season by season