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

Book: ∞ / 0

# move proof disproof
1 Bh6 0
2 Bg7 0
3 a6 0
4 Kd7 0
5 Kc8 0
6 Kc7 0
7 Nh6 0
8 g5 0
9 c5 0
10 a5 0
11 e6 0
12 Nf6 0