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

Book: ∞ / 0

# move proof disproof
1 Nd7 0
2 b3 0
3 Na6 0
4 e5 0
5 a5 0
6 Nc6 0
7 a6 0
8 Ba6 0
9 Bd7 0
10 Bb7 0