Executive members and season ticket holders can apply for tickets to see United play Barnsley on Tuesday October 27 from 08:00 on Monday.
They will have until 08:00 on October 9 and will be able to find out on October 13 if they have got tickets.
Oakwell holds 23,009 and United have got about 5,800 tickets in the North Stand, which can hold 6,000 people.
Tickets cost £25 for adults and £15 for concessions. Home supporters are paying the same prices.