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

Book: ∞ / 0

# move proof disproof
1 d6 0
2 Nc6 0
3 e5 0
4 a5 0
5 Bg7 0
6 Bh6 0
7 e6 0
8 a6 0
9 Nf6 0
10 d5 0
11 Nh6 0
12 Na6 0