View the photos from the Blues' latest League One triumph at Fratton Park
Pompey recovered from a missed penalty to secure a comfortable 4-1 win over Oxford and maintain their fine start to the season.
Gareth Evans' effort was kept out by Jonathan Mitchell, only for the skipper to open the scoring after the break.
A Rob Dickie own-goal doubled the lead, while Jamal Lowe flicked home a third for the dominant hosts.
Jack Whatmough found his own net to reduce Oxford's deficit, only for a stunning Lowe strike to wrap things up in stoppage-time.