Schalke are expected to line up in a 3-4-2-1, with the three-man defence pushing high and the two attacking midfielders looking to knife through the lines. Elversberg will likely answer with their disciplined 4-2-3-1, the compact double pivot designed to screen the back four and frustrate exactly that kind of central overload. This is the tactical tension that defines the match: Schalke's width from wing-backs and the half-space runs of their creators against a visiting block that wants to stay narrow and spring forward on the counter. Elversberg have shown they are not afraid to take the initiative even against the big boys, and their attacking output is genuine. But that ambition leaves gaps, and Schalke's front line — with Junior Adamu expected to lead the line as the focal point — will smell blood in those transitions.