Four first-half goals earned Leicester City their fourth Premier League 2 Division 1 victory in a row as won 4-1 against Derby County.
Leicester went ahead on nine minutes at Holmes Park when George Hirst finished from close range, before Josh Felix-Eppiah made it 2-0.
A brilliant strike from Admiral Muskwe just before the half-hour put the Foxes 3-0 up, but Derby pulled a goal back on 38 minutes through Jahmal Hector-Ingram.
The home side restored their three-goal advantage four minutes before half-time when captain George Thomas found the net.
It is sixth successive win across all competitions for the Foxes' Under-23 side, and they stay fourth in Division 1 on 19 points.
Derby are two places and two points above Leicester and missed the chance to leapfrog leaders Chelsea.