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

Book: ∞ / 0

# move proof disproof
1 Kf7 0
2 Kd8 0
3 Ke8 0
4 d5 0
5 Ke6 0
6 Kf6 0
7 Kd6 0
8 h5 0
9 Bh6 0
10 h6 0
11 Bg7 0
12 Ra7 0
13 Nh6 0
14 d6 0
15 Nf6 0
16 Rb8 0
17 Bb7 0