Pompey stretched their unbeaten run in the league to 23 games by seeing off Port Vale at Fratton Park.
The hard-fought 2-0 success also ensured that John Mousinho's men remained top of the table.
Colby Bishop turned home the opener early in the second half and then converted a penalty, while Sean Raggett saw a header cleared from the line.
Fans can watch the key moments (top video) or register with iFollow to view extended highlights and a full match replay.
If the full match replay is playing the wrong audio, you can use the settings cog to toggle between home and away commentary.