Northampton Town Under 18s lost 3-1 at home to Luton Town in the EFL Youth Alliance League South East on Tuesday morning.
The win means the Hatters, coached by former Cobblers midfielder Alan McCormack, extend their 100% start to the season.
Both sides cancelled each other out until midway through the first half, Luton’s Axel Piesold sending a first-time shot over before Cobblers’ Reuben Wyatt’s scuffed effort was comfortably held by Sam Bentley.
The visitors then began to create chance after chance with Northampton unable to get out of their own half.
Marcus Bald denied a Luton opener with a quick-fire double save, reaching Millar Matthews-Lewis’ low shot on the turn before rushing off his line to block another effort.
But the Hatters eventually took the lead a few minutes later, Oli Lynch calmly lifting the ball over Bald from close range.
Zack Nelson came close to doubling his side’s advantage on the half-an-hour mark when he drove across goal and just wide from the edge of the area.
The Cobblers created their best opportunity of the opening period 10 minutes before the break, but Harry Guess’ strike was tipped wide by Bentley.
Luton threatened again late in the half, Leo Jenkins denying them a second with an acrobatic goal-line clearance.
Northampton came out in search of an equaliser in the second half, and they found it early on when Rico Duggan half-volleyed into the bottom corner after his initial shot was blocked.
They almost turned the game on its head a few minutes later when Fin Amidi was left unmarked six yards out, but he mis-kicked his effort from a cutback and the ball went wide.
Amidi had another chance on the hour, heading Ayo Lekuti’s cross straight at Bentley from a promising position. Bald was on hand to beat away Nelson’s curled shot from the edge of the box at the other end.
The game was becoming more open with opportunities falling to both teams, and Luton restored their lead going into the final quarter-of-an-hour when Lynch powered home a header at the near post from an in-swinging corner.
They secured all three points with five minutes remaining, Nelson smashing home from the penalty spot after a Duggan trip in the area.
The youth team travel to AFC Wimbledon on Saturday.
Cobblers: Marcus Bald, Brad Smith-Howes, Leo Jenkins, Josh Tomlinson, Ayo Lekuti (sub Neo Dobson 78), Rico Duggan, Reuben Wyatt, Harry Guess (sub Jacob Scott 69), Dylan Hill, Jamari Hart, Fin Amidi
Subs not used: Tom Ladyman, Reece Irwin, Josh Rayfield