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

Book: ∞ / 0

# move proof disproof
1 Bg7 0
2 Re8 0
3 c4 0
4 Bf8 0
5 f5 0
6 g4 0
7 Rg8 0
8 Rb8 0
9 Ra7 0
10 Kb8 0
11 Kd8 0
12 Rf8 0
13 Rd8 0
14 a5 0
15 Nf8 0
16 Kc7 0
17 Kd7 0
18 Kb7 0