En Passant in Chess
The most misunderstood rule in chess, explained
What is En Passant?
En passant (French for "in passing") is a special pawn capture that can only occur immediately after an opponent moves a pawn two squares forward from its starting position, and that pawn lands beside one of your pawns. Your pawn captures the opponent's pawn as if it had only moved one square forward.
This rule was introduced in the 15th century when the two-square pawn advance was added to speed up the game. Without en passant, a pawn could bypass an enemy pawn's control entirely by jumping two squares, which was considered unfair. En passant restores the balance by allowing the capture that would have been possible if the pawn had moved only one square.
En passant is the only capture in chess where the capturing piece does not land on the square of the captured piece.
When Can You Play En Passant?
All three conditions must be met simultaneously:
Your pawn is on the 5th rank (5th row for White, 4th row for Black). Your pawn must have advanced exactly three squares from its starting position.
An enemy pawn moves two squares forward and lands directly beside your pawn on an adjacent file. The opponent's pawn must move from its starting position (2nd rank for White, 7th rank for Black).
You capture immediately on the next move. En passant must be played on the very next move or the right is lost forever. You cannot save it for later.
How to Execute En Passant
Step-by-Step Example (White Capturing)
- Your White pawn is on e5 (having advanced from e2 earlier in the game).
- Black plays d7 to d5, moving their pawn two squares and landing it beside your pawn on e5.
- On your very next move, you move your pawn from e5 to d6, capturing the Black pawn on d5.
- The Black pawn on d5 is removed from the board, even though your pawn landed on d6, not d5.
Step-by-Step Example (Black Capturing)
- Your Black pawn is on c4 (having advanced from c7 earlier in the game).
- White plays b2 to b4, moving their pawn two squares and landing it beside your pawn on c4.
- On your very next move, you move your pawn from c4 to b3, capturing the White pawn on b4.
- The White pawn on b4 is removed from the board.
In algebraic notation, en passant is written just like a normal pawn capture. For example: exd6 e.p. or simply exd6. The "e.p." suffix is optional.
Common Misconceptions
Myth: You can play en passant at any time
Wrong. En passant must be played immediately on the very next move after the opponent's pawn advances two squares. If you make any other move first, you lose the right to capture en passant. This is the strictest timing rule in chess.
Myth: Any pawn can capture en passant
Wrong. Only a pawn that is on its 5th rank (relative to its color) can capture en passant. The capturing pawn must be adjacent to the enemy pawn that just advanced two squares.
Myth: En passant is optional even if it's the only legal move
En passant is always optional - you are never forced to play it. However, if your king is in check and en passant is the only move that blocks the check or removes the checking piece, then it becomes your only legal move and must be played.
Strategic Value of En Passant
- 1.Maintaining pawn structure: En passant prevents your opponent from bypassing your pawn chain. If your pawn controls a key file, en passant stops the opponent from slipping past.
- 2.Opening files: Capturing en passant can open a file for your rook, creating attacking chances against the enemy king.
- 3.Endgame technique: In pawn endgames, whether you capture en passant or not can determine the entire outcome. A passed pawn created by en passant can be unstoppable.
- 4.Tactical motifs: Sometimes en passant reveals a discovered attack on the opponent's pieces, creating a double threat.
Frequently Asked Questions
What does en passant mean?
En passant is French for "in passing." It describes capturing a pawn as it passes by your pawn, as though it had only moved one square instead of two.
Can you en passant with any piece?
No. Only pawns can capture en passant. No other piece in chess has this special capture rule.
Is en passant legal in tournament play?
Absolutely. En passant is part of the official FIDE rules and is legal in all tournaments, online play, and casual games. It has been an official rule since the 15th century.
Can en passant result in checkmate?
Yes, though it is extremely rare. An en passant capture can deliver a discovered check or checkmate by opening a line for a bishop, rook, or queen behind the capturing pawn.
Why was en passant introduced?
When the two-square pawn advance was added to speed up the opening, en passant was introduced to prevent pawns from bypassing enemy pawns that had advanced to the 5th rank. It maintains the integrity of pawn structure control.
Practice en passant in real games!
Ready to Practice?
Want more? Try Pro — Go Pro for deeper analysis, screenshot scanning & unlimited AI coaching