North End took a 21st minute lead through Sean St Ledger but Brian Howard equalised a minute into the second half.
In the League One Play-Off Semi 1st leg, Scunthorpe drew 1-1 with MK Dons. Woolford put The Irons ahead after 13 minutes before Wilbraham equalised in the 27th minute.
Tomorrow, Millwall play Leeds in ther other League One Semi 1st Leg at 12.45 and at 5.20pm, Burnley play Reading.