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 f5 0
4 e5 0
5 h4 0
6 a5 0
7 f6 0
8 e6 0
9 Nd7 0
10 Na6 0
11 Kd8 0
12 a6 0
13 Kd7 0