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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 h6 0
3 g5 0
4 Re8 0
5 Bd8 0
6 Rf8 0
7 a6 0
8 a5 0
9 Bf8 0
10 Ra8 0
11 Rd8 0
12 Rg8 0
13 Bd6 0
14 h5 0
15 Rc8 0
16 f5 0