Extra tickets for the play-off semi-final first leg with Brighton at Hillsborough on Friday night go on general sale from 9am on Wednesday morning.
Wednesday have got clearance to sell tickets for the West Stand lower tier and North Stand west end, along with restricted view Kop tickets.
They will be available online and by telephone only. Supporters can purchase two tickets per ID number but anyone who has already bought two tickets for the game will not be eligible for further purchases.
*The return leg at Brighton next Monday has now sold out for Wednesday fans.