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

Book: ∞ / 0

# move proof disproof
1 Ra7 0
2 Bh6 0
3 h5 0
4 Nd7 0
5 Nf6 0
6 Nh6 0
7 Bg7 0
8 a5 0
9 e5 0
10 h6 0
11 e6 0