I think we are both wrong. En passant only exists for one move, whatever has happened from captures is irrelevant. However, now I realize you can have two pos

I think we are both wrong. En passant only exists for one move, whatever has happened from captures is irrelevant. However, now I realize you can have two possible en passant captures at once--a pawn moves to 4th rank between two opposing pawns on the 4th rank.