Click on the third or sixth rank to set the en passant target square.

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Ne6 0
3 f5 0
4 e6 0
5 Nc6 0
6 Nb7 0
7 f6 0
8 h5 0
9 Bg7 0