Sheffield Wednesday's visit to Oakwell should be be the Reds biggest crowd of the season with the Owls bringing 7,600 fans.
Unbeaten in eight matches, Owls fans snapped up the last of the initial allocation of 5,600 for the game. The Reds sent a further 1,300, and have now provided the final batch of 700.
Barnsley right-back defender Bobby Hassell will miss the match after his fifth yellow card of the season at Brentford on Tuesday and Neil Austin is likely to replace him.
Barnsley right-back defender Bobby Hassell will miss the match after his fifth yellow card of the season at Brentford on Tuesday and Neil Austin is likely to replace him.