Pompey Academy battled from behind to collect their first points of the season with a 4-3 victory over Newport.
The Welsh side had a two-goal lead midway through the first half of the Youth Alliance League contest at Copnor Road.
But a neat finish from Alfie Stanley reduced the deficit and Leon Maloney sent a curling shot against the crossbar before the break.
The Blues then started the second period in rip-roaring fashion, netting three times in 11 minutes to turn the match on its head.
Stanley was left with a simple finish to equalise after Maloney’s thumping header had been saved by the County keeper.
And the hosts found themselves ahead for the first time when Josh Flint’s corner was converted by Ethan Robb at the back post.
Maloney then increased their advantage and although Newport pulled one back, Pompey held on to claim maximum points.
Academy manager Mark Kelly: “We were off the pace at the start and were punished for that. We couldn’t get a foothold on the game and our concentration levels weren’t good enough.
"Alfie scored with a neat finish from a ball over the top and then at the break we told a few home truths."
“But we built from going two goals behind, got more organised and showed a better work-rate as we started to create a few chances.
“Alfie scored with a neat finish from a ball over the top and then at the break we told a few home truths.
“They boys listened and upped the tempo in the second half. We saw a lot more quality and movement, with some really impressive goals.
“We should have gone on to score more, but instead let our concentration dip a bit again and that meant we had to defend when we should have been able to see the game out comfortably.
“Newport were an honest bunch and credit must go to them for the way they began, which was a big education for our lads.
“You simply can’t afford to start games that slowly and it’s important to get things right from minute one.”
Pompey: Pitman; Robb, Kelly (Rew 83), Dandy; Kavanagh (Bruce 64), Whiting, Read, Flint; Maloney, Bridgman (Johnston 64), Stanley
Academy Highlights: Pompey U18s 4-3 Newport County U18s
Extended highlights of Pompey Under-18s' Youth Alliance League 4-3 win over Newport County AFC, with home goals from Alfie Stanley (2), Ethan Robb, Leon Maloney. Pompey: Pitman; Robb, Kelly (Rew 83), Dandy; Kavanagh (Bruce 64), Whiting, Read, Flint; Maloney, Bridgman (Johnston 64), Stanley