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

Book: ∞ / 0

# move proof disproof
1 Bb7 0
2 Ba6 0
3 Bd7 0
4 a5 0
5 Kg6 0
6 g6 0
7 h5 0
8 e5 0
9 g5 0
10 a6 0
11 Nf6 0
12 Rb8 0