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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Nh6 0
3 Nf6 0
4 c5 0
5 e5 0
6 Bg7 0
7 Bb7 0
8 h5 0
9 e6 0
10 Bh6 0
11 h6 0