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

Book: ∞ / 0

# move proof disproof
1 Bb7 0
2 Bf8 0
3 Ke8 0
4 g4 0
5 e6 0
6 Kf6 0
7 Nf6 0
8 Ra7 0
9 Rb8 0
10 a5 0
11 Kg7 0
12 Kg6 0
13 Ke6 0
14 Kf8 0
15 Bg7 0
16 d6 0
17 d5 0