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

Book: ∞ / 0

# move proof disproof
1 Nc2 0
2 Nb3 0
3 Bb7 0
4 Ba6 0
5 d5 0
6 Ra7 0
7 Ra6 0
8 h5 0
9 Rb8 0
10 d6 0