 He has furthermore shown flexibility in regards to formations, employing a 3–4–3 formation at Denmark U21, but also utilising a classic 4–4–2.In Brøndby, Frederiksen started out employing a 4–3–3, but has since adjusted this to a dynamic 3–5–2 with attacking wingbacks, Andreas Maxsø as the anchor in defense and Kamil Wilczek and Simon Hedlund as the main forwards.Frederiksen is a proponent of "pressing", in what he has called a "balanced press".