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

Book: ∞ / 0

# move proof disproof
1 Kc7 0
2 Kc8 0
3 Ke8 0
4 c5 0
5 Kd7 0
6 Bg7 0
7 Ng8 0
8 Rc8 0
9 Ng4 0
10 a6 0
11 a5 0
12 Rb8 0
13 f6 0
14 f5 0
15 e6 0
16 Nf5 0