Sheffield Wednesday host La Liga side Espanyol on Sunday 28 July (3.00pm) in a pre-season friendly.
The summer fixture takes place six days before the Owls travel to Reading for the Sky Bet Championship curtain-raiser on Saturday 3 August.
Tickets for the Hillsborough friendly are now on general sale.
The North and South Stands will be open for this fixture and prices are as follows;
Under 21s and over 65s: £10
Under 17s: £5
Tickets can be purchased in person at the Ticket Office, Sheffield Wednesday Online Shop or by telephone on 03700 201867 (option 1) (£2 booking fee per ticket).