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

Book: ∞ / 0

# move proof disproof
1 Rg8 0
2 e5 0
3 Rb8 0
4 f5 0
5 d5 0
6 Bb7 0
7 Ra7 0
8 d6 0
9 Bg7 0
10 Kg6 0
11 Kg7 0
12 Kh5 0
13 Kg5 0
14 a5 0
15 e6 0