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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 a6 0
3 Nh6 0
4 Ne7 0
5 Nc2 0
6 Nf6 0
7 d6 0
8 d5 0
9 Nb3 0
10 Bb7 0
11 Ba6 0