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

Book: ∞ / 0

# move proof disproof
1 h6 0
2 g4 0
3 Bb7 0
4 Bc8 0
5 Nh6 0
6 Nf6 0
7 h5 0
8 Bh6 0
9 e6 0
10 e5 0
11 Bg7 0