The Owls can confirm a pre-season double header on Saturday 13 July in the build-up to the 2019/20 campaign.
Steve Bruce’s squad will break out for two friendly encounters, at Lincoln City and Stocksbridge Park Steels.
The first group travel to Sincil Bank for a 1.00pm kick-off before group two get underway at the Look Local Stadium at 3.00pm.
League One Lincoln are riding the crest of a wave on the back of two successive promotions, while Stocksbridge finished 13th in the Northern Premier League last time out.
The summer fixtures precede a trip to League Two side Northampton, which takes place on Tuesday 16 July (7.30pm).