Important, the „level“ off the player isn‘t relevant. If a role Player played like a god in a Game he qualifies here.
We also talk about 1 game.
Basically we are looking for the greatest 10/10 Performance off all time.
Can be a Goalkeeper that made 26 Saves, can be a midfielder that made 100% off his passes and 4 assists etc, you get it.
This Question can also be labeled to „most dominant Performance in Football off all time.“
What is you‘re call?
This is not my answer but honestly Mbappe in the latest World Cup final was pretty insane