Title chasing United were up against the Hatters on Saturday morning.
It was an action-packed encounter that saw the Hatters win thanks to a strong first-half display.
The hosts went into the break two goals to the good, but Nic Bollado pulled one back early in the second period.
Stockport struck again to regain the two-goal cushion, and a late finish from Mason Hardy proved to be not quite enough.
We'll have reaction from youth boss Mark Birch to follow.