Four wins in a row have cemented Pompey’s spot in the play-off places with eight games left to play.
Interestingly, if the league table was decided on away form alone, the Fratton Park outfit would still be there or thereabouts in terms of their promotion hopes.
The same cannot be said of their home form, which has been disappointingly poor at times this season.
Pompey have won just eight of their 20 home fixtures to date, drawing five and losing seven.
That's the 14th-best record in the division, but how does it compare to their home record over the past decade?
Bankrate.com have run the number on every League One side to see who has built up the strongest home fortress over the past 10 years.
Click and scroll through our countdown below...
1. Sunderland
Games played: 213 Points: 276 PPG: 1.3 Win rate: 32% (Photo by Stu Forster/Getty Images) Photo: Stu Forster
2. Wigan Athletic
Games played: 233 Points: 317 PPG: 1.36 Win rate: 36% (Photo by Alex Pantling/Getty Images) Photo: Alex Pantling
3. AFC Wimbledon
Games played: 237 Points: 334 PPG: 1.41 Win rate: 38% (Photo by James Chance/Getty Images) Photo: James Chance
4. Blackpool
Games played: 231 Points: 331 PPG: 1.43 Win rate: 38% (Photo by Clive Brunskill/Getty Images) Photo: Clive Brunskill