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 Kd8 0
4 Rb8 0
5 a6 0
6 Bg7 0
7 Nh6 0
8 f6 0
9 f5 0
10 Rc8 0
11 a5 0
12 Bh6 0
13 Nf6 0
14 Rd8 0
15 e6 0