Derby are unbeaten in 15 league games, but have fallen behind at Wycombe to Sam Vokes' strike.
Hot on their heels are Bolton who have gone ahead at Peterborough through Ricardo Santos.
Max Watters has put play-off candidates Barnsley ahead against Cambridge, while Port Vale lead at Shrewsbury and Lincoln are in front against Bristol Rovers.
Break in play at the DW as Huddersfield's Ollie Turton receives some lengthy treatment on an apparent knee injury before being helped from the field.
Will Boyle is off the bench to replace him after just 12 minutes.