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

Book: ∞ / 0

# move proof disproof
1 h6 0
2 Nf7 0
3 e6 0
4 e5 0
5 Ke6 0
6 Ra7 0
7 h3 0
8 Ke8 0
9 Kc7 0
10 Bg7 0
11 Rg8 0
12 Kd6 0
13 Bh6 0
14 h5 0
15 Nb7 0
16 Ne6 0
17 Bb7 0
18 c5 0