You can go all the way down to 1v1, Enrich confirms, and he shares a favourite: three simultaneous 1v1 duels where the defender ends each one by winning the ball, finished pairs joining duels still alive to form 2v2s and beyond. Time stops when the defenders regain the final ball, then the roles switch. Building the same game with threes and fours raises the complexity further. Watch the full masterclass: Small Sided Games.