Pompey remain unbeaten in the league after securing victory at struggling Burton.
Danny Cowley's side struck twice in the second half at the Pirelli Stadium to secure another three-point haul.
Sam Hughes turned a Marlon Pack centre into his own net before Colby Bishop converted Owen Dale's delivery.
Fans can watch the key moments (top video) or register with iFollow for extended highlights (middle video) and a full match replay (bottom video).
Please note that if the full match replay is playing the wrong audio, you can use the settings cog to toggle between home and away commentary.