Barnsley were beaten 2-1 by Luton Town at Kenilworth Road after the hosts scored twice in the first half.
Former Barnsley defender Mads Andersen headed Luton ahead inside 76 seconds before Nahki Wells doubled the advantage later in the half.
Barnsley made three changes at half-time and substitute Makenzie Kirk reduced the deficit with a powerful effort shortly before the hour mark.
The Tykes had further chances to equalise, but Luton held on for the League One victory.
