Steve McClaren's team are currently 7th in the Championship, and beat Charlton at home in the previous round.
The game will come after a trip to Sheffield Wednesday, before hosting Wolves the following Sunday in front of the television cameras.
Reading do have a terrific record in Derby, with just 1 defeat since September 2004- during the Brendan Rodgers period- and a 3-1 win last season.
The games are set to be played on the week commencing the 22nd September, so expect a cold Tuesday night in Derbyshire. Although, given the overall quality of the draw, we might make the TV...