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

Book: ∞ / 0

# move proof disproof
1 Bc8 0
2 h5 0
3 e6 0
4 Nf6 0
5 Rh7 0
6 Ba8 0
7 c5 0
8 Bg7 0
9 e5 0