It was an afternoon to remember for Ronan Curtis.
The 22-year-old forward was making his second competitive appearance for Pompey since signing from Derry earlier in the summer.
And he opened his account with a crucial brace as the Blues built on an opening day victory over Luton by putting Blackpool to the sword.
Curtis netted in each half at Bloomfield Road, before substitute Mark Cullen notched a late consolation for the hosts.
The match-winner said: “I’m absolutely buzzing with the two goals and the result. It’s another three points on the board.
“The first goal came from a flick on by Oli Hawkins and I could have gone down. It would have been a penalty and a red card.
"The gaffer’s put his trust in me and I’m grateful."
“But I stayed on my feet and was able to get the opener, which helped me build some more confidence.
“I knew I would get another chance in the second half. I chested the ball down and sent it through the keeper’s legs.
“When I came here I thought I’d have to work my way into the team, but the gaffer’s put his trust in me and I’m grateful.
“League One is a step up – the tempo’s sharper and the ball moves quicker, but I think I’ve shown I’m up to that.”
Pompey appeared to be heading for a comfortable victory, only for Cullen’s late intervention to set-up a nervy finale.
Curtis said: “We did make life hard for ourselves at the end and scoring the goal would have given them some hope.
“But we dug in the previous week to get the victory over Luton and we did the same again to beat Blackpool.”