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

Book: ∞ / 0

# move proof disproof
1 Kf8 0
2 Kd8 0
3 Kf7 0
4 Ke7 0
5 Kd7 0
6 Ra7 0
7 Ne7 0
8 g6 0
9 Bd7 0
10 g5 0
11 e4 0
12 Nh6 0
13 Nf6 0
14 h6 0
15 h5 0
16 Bb7 0
17 Rb8 0