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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Kd5 0
3 Kd7 0
4 Ra7 0
5 f5 0
6 a5 0
7 Kf5 0
8 Nc6 0
9 Kd6 0
10 Ke7 0
11 Kf6 0
12 c6 0
13 Nd7 0
14 Bd7 0
15 e4 0
16 f6 0
17 Bb7 0