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

Book: ∞ / 0

# move proof disproof
1 h4 0
2 Ba6 0
3 d6 0
4 Ra7 0
5 Ra6 0
6 Nc2 0
7 d5 0
8 Bb7 0
9 Nb3 0
10 Rb8 0