A formation is the skeleton of everything your team does. It decides where players stand when you defend, which passing lanes open when you attack, and which areas of the pitch you concede before a ball is kicked.
New players often copy a fashionable shape without asking what it demands. This guide works the other way: understand what each line of the formation does, then choose the skeleton that fits the players you actually have.
For the wider picture of how tactics connect to the whole game, the main PES 2021 tactics guide is the place to start.

