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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Bd7 0
3 Bb7 0
4 g5 0
5 Kg5 0
6 Kg7 0
7 Nf6 0
8 Ra7 0
9 Kh5 0
10 Bg7 0
11 a5 0
12 Rb8 0