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

Book: ∞ / 0

# move proof disproof
1 Bg7 0
2 e6 0
3 Rb8 0
4 a5 0
5 Nf6 0
6 e5 0
7 g4 0
8 Kb7 0
9 Kc7 0
10 Kb8 0
11 Kd8 0
12 a6 0
13 c4 0
14 Kd7 0
15 Bh6 0
16 Rg8 0