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

Book: ∞ / 0

# move proof disproof
1 Nh6 0
2 a5 0
3 Nf6 0
4 Bb7 0
5 d5 0
6 d6 0
7 Ra7 0
8 Ne7 0
9 h6 0
10 g6 0
11 g5 0
12 Rb8 0