Despite the Blues’ season being all but over after missing out on the play-offs, 3,120 supporters made the trip to Pride Park for the final away fixture of the campaign.
The Fratton faithful’s magnificent following helped John Mousinho’s men to a 1-1 draw against promotion-chasing Derby.
In fact, the fixture was the second-most watched contest in League One this season with 31,744 in attendance.
But how does the Blues support compare across the EFL?
We’ve taken a look at the highest away followings from across the Football League last weekend to discover where Pompey’s figures rank.
1. How Pompey's away following at Derby compares to EFL figures
How Pompey's away following at Derby compares to EFL figures. Photo: Jason Brown
2. Wigan fans at Reading - Select Car Leasing Stadium
Away attendance: 919; Overall attendance: 21,919. Photo: Gareth Copley
3. Exeter fans at Ipswich - Portman Road
Away attendance: 919; Overall attendance: 29,334. Photo: Justin Setterfield
4. Bradford fans at Northampton - Sixfields
Away attendance: 948; Overall attendance: 7,786. Photo: Nathan Stirk