Paul Cook acknowledged Pompey’s deficiencies but felt they deserved a point at Oxford United.
And the Blues boss paid tribute to the influence of Adam Barton in the 1-1 draw at the Kassam Stadium.
The clash ebbed and flowed as the Blues lost their way after a solid start.
Pompey were also the stronger side after the break - until Michael Doyle was sent off in the 81st minute.
That saw the home side deliver a late charge, but the Blues held on to keep up their unbeaten run.
Cook said: ‘We were giving away possession cheaply and weren’t dominating the ball.
‘We didn’t have enough attempts on goal and couldn’t get going.
‘But Adam came on and gave us a calmness on the ball.
‘Was a draw a fair result? It probably was.’