First of all, I want to reminds you that Gegenpressing (or Counter Pressing) is a tactic where you attack your opponent, loses the ball (usually in wide area of the pitch), win the ball as high as possible, start a quick counter attack.
my input is:
1. Opposition Instructions:
gegenpressing is...
I modified a 4-1-2-3 DM Wide into a 4-1-2-3 DM Asymetric.
This way, I separated the team into 2 blocks of 5 man defense unit and 5 man attacking unit.
the Fullbacks is supposed to be in attack role tho.
This will allow the Right Midfielder to escape from opponent's left fullback marking, and...
It usually depends on their role.
In example Attacking Inside Forwards in the opposite side of their strong foot so they are more comfortable finishing. but Support Inside Forward might be better placed in the same side of their strong foot.
The shape is supposed to be 4-1-2-3 DM Wide with:
Firmino as False 9. he's dropping into the space behind him a lot to make indecisions on opposition's defenders whether to follow him and open up spaces for Mane and Coutinho to cut in.
Mane as Inside Forward. that's just his role.
both...