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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Kd7 0
3 Rb8 0
4 f5 0
5 f6 0
6 a6 0
7 Bg7 0
8 Ke8 0
9 Kc7 0
10 Kc8 0
11 Nh6 0
12 Rc8 0
13 a5 0
14 Nf6 0
15 Bh6 0
16 e6 0