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

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 Kg7 0
3 Kh5 0
4 Kg5 0
5 Nf6 0
6 Rb8 0
7 Kg6 0
8 Bg7 0
9 a6 0
10 a5 0
11 Re8 0
12 Rd8 0