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

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 Re8 0
3 Rb8 0
4 a5 0
5 h5 0
6 Ng6 0
7 Nd7 0
8 c6 0
9 a6 0
10 c5 0
11 Rg8 0
12 Rd8 0