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

Book: ∞ / 0

# move proof disproof
1 Nd7 0
2 c5 0
3 Ra7 0
4 e5 0
5 c6 0
6 Nc6 0
7 Bd7 0
8 a5 0
9 Bb7 0