These seats have been listed on City Ticket Exchange by Seasoncard holders who are unable to attend the game and have made their ticket available, so fellow Blues can cheer on the lads on Thursday evening.
The game kicks off at 8pm and supporters are asked to arrive as early as possible.
FA Cup semi-final sold out.
The game at Vicarage Road kicks off at 3pm on Sunday 21 May.
The game kicks off at 3pm on Sunday 23 April.
Cityzens members can claim a free ticket for the match which takes place at the Academy Stadium and kicks off 7pm on Friday 5 May.