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

Book: ∞ / 0

# move proof disproof
1 d6 0
2 Nf6 0
3 Ra7 0
4 Bg7 0
5 h5 0
6 Bb7 0
7 d5 0
8 Rb8 0
9 e6 0
10 e5 0
11 a5 0