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

Book: ∞ / 0

# move proof disproof
1 Rh7 0
2 h5 0
3 d6 0
4 Nf6 0
5 Ne7 0
6 Bb7 0
7 a6 0
8 a5 0
9 Rb8 0
10 d5 0
11 Ba6 0