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

Book: ∞ / 0

# move proof disproof
1 Bf8 0
2 e5 0
3 g4 0
4 d6 0
5 Ra7 0
6 e6 0
7 Bg7 0
8 d5 0
9 Bb7 0
10 Rb8 0
11 Nf6 0