Watch key moments from league loss
Pompey's four-match unbeaten run in the league was ended by a disappointing defeat at home to Stevenage.Kyle Bennett hit the post early on, but there was not an abundance of clear-cut chances at either end of the pitch.
Steven Schumacher and Matt Godden then both struck in quick succession after the interval to stun the Fratton faithful.
Michael Smith reduced the deficit with his third goal in as many games, but the Blues could not find an equaliser, with Jack Whatmough striking the woodwork in stoppage-time.
Watch key moments from the game below or subscribe to Pompey PlayerHD for extended highlights.