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

Book: ∞ / 0

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