the white pawn at e4 can capture either the black rook at d5 or the black knight at f5, but not the bishop at e5, which blocks its straight way forward. unlike other pieces, the pawn does not capture in the same way as it moves. a pawn captures diagonally, one square forward and to the left or right. in the diagram to the left, the white pawn can capture either the black rook or the black knight.