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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 Kd7 0
3 Rc8 0
4 Nh6 0
5 Kd8 0
6 c5 0
7 Bg7 0
8 f5 0
9 f6 0
10 Nf6 0
11 Rd8 0
12 a6 0
13 a5 0
14 Rb8 0
15 e6 0
16 Bh6 0