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

Book: ∞ / 0

# move proof disproof
1 Bf8 0
2 Bg7 0
3 Bb7 0
4 g4 0
5 Ra7 0
6 Ke6 0
7 Rb8 0
8 d6 0
9 d5 0
10 Kg6 0
11 Kg7 0
12 Ke8 0
13 Kf8 0
14 Kf6 0
15 e6 0
16 Nf6 0