A passed pawn is a criminal that must be held under lock and key. Passed pawns are dangerous and if they are not kept under watch they can easily escape and promote.
We must look always to find how to gain the winning advantage by creating a passed pawn. Often you can make trades or sacrifices to create the passed pawn. Always keep an eye out for these opportunities.
White can force a passed pawn here with a simple move.
The a file has been cleared for the pawn to promote in two moves and that will easily win the game for white.
