why can't i en passant?

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Phi_k
I am not sure why I can't en passant (axb7) after black moves b5?.
can someone kindly explain to me? 

Alramech
Phi_k wrote:
 
I am not sure why I can't en passant (axb7) after black moves b5?.
can someone kindly explain to me? 

 

En passant is only available if your pawn is also on the 5th rank (in this case, if your pawn was on a5 and Black played b7-b5, then en passant would be legal). 

I think of it this way: en passant is available if you could have captured the pawn had moved only 1 square as its first advance.

https://www.chess.com/terms/en-passant

Fisikhad
Your pawn is supposed to be on a5,wait for your opponent to play b5,then play axb6
Gymstar

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