en peasaunt
If your pawn is on its 5th rank and your opponent moves a pawn two squares forward on an adjacent file, you'll be able to.
https://support.chess.com/article/683-what-is-en-passant
If your pawn is on its 5th rank and your opponent moves a pawn two squares forward on an adjacent file, you'll be able to.
https://support.chess.com/article/683-what-is-en-passant