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

Book: ∞ / 0

# move proof disproof
1 Bg7 0
2 Ra7 0
3 h5 0
4 Rg8 0
5 e6 0
6 e5 0
7 Bb7 0
8 d5 0
9 d6 0
10 Rb8 0