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

Book: ∞ / 0

# move proof disproof
1 Bh6 0
2 d5 0
3 Na6 0
4 Nc6 0
5 e6 0
6 e5 0
7 Nh6 0
8 Nd7 0
9 a6 0
10 Bg7 0
11 Nf6 0
12 a5 0