pawn move

so pawn can make 2 or 1 move in first move and then pawn can make 1 square and there are 8 and 8 pawns one is black one is white pawn are have a ability called en passant and promotion the en passant is the pawn in 5th rank when a pawn move 2 square in when it does it pawn can capture diagonally and pawn can capture diagonally and promotion is when a pawn reach 8th rank for white it can choose a knight rook bishop and queen.