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

Book: ∞ / 0

# move proof disproof
1 Kd7 0
2 Kf5 0
3 Nd7 0
4 Nc6 0
5 Bb7 0
6 a5 0
7 Ke7 0
8 Kd6 0
9 Kf7 0
10 c5 0
11 Kd5 0
12 Ke5 0
13 Ra7 0
14 Bd7 0
15 c6 0
16 f5 0