Ronan Curtis, John Marquis and Ben Close were on target as the Blues moved up to 10th in League One.
9. Freddie Ladapo celebrates his equaliser.
He was on target in the 15th minute | PinPep - Images to be used only for Portsmouth FC and The News publications (including online platforms). Images cannot be reso Photo: Joe Pepler
10. Ryan Williams
The winger in action against his former club | PinPep - Images to be used only for Portsmouth FC and The News publications (including online platforms). Images cannot be reso Photo: Joe Pepler
11. Craig MacGillivray dejected following his mistake
The keeper's error allowed Rotherham to equalise | PinPep - Images to be used only for Portsmouth FC and The News publications (including online platforms). Images cannot be reso Photo: Joe Pepler
12. Pompey go 2-1 up
Ellis Harrison nodded down for John Marquis to net from close range | Freelance Photo: Joe Pepler