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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 c5 0
3 Nd7 0
4 Re8 0
5 Rd8 0
6 a5 0
7 Rh8 0
8 Nh7 0
9 Rc8 0
10 a6 0
11 Rg7 0
12 g5 0
13 h4 0
14 Rb8 0