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

Book: ∞ / 0

# move proof disproof
1 d6 0
2 a5 0
3 Ra7 0
4 Bh6 0
5 Nc6 0
6 e5 0
7 Nf6 0
8 e6 0
9 d5 0
10 Bg7 0
11 Nh6 0