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

Book: ∞ / 0

# move proof disproof
1 Kc8 0
2 Kc7 0
3 Ra7 0
4 Kd8 0
5 Ke8 0
6 Ke6 0
7 a5 0
8 Kd6 0
9 f6 0
10 f5 0
11 h5 0
12 e6 0
13 e5 0
14 Nf6 0
15 Bg7 0
16 c5 0