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

Book: ∞ / 0

# move proof disproof
1 Bg7 0
2 Ra7 0
3 Kd8 0
4 Kf7 0
5 h6 0
6 d5 0
7 d6 0
8 Bh6 0
9 e5 0
10 h5 0
11 Rg8 0
12 Bb7 0
13 f5 0
14 e6 0
15 Rb8 0