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 a5 0
4 e6 0
5 e5 0
6 Ne6 0
7 Kc7 0
8 Rg8 0
9 c5 0
10 Nb7 0
11 Bb7 0
12 Ra7 0
13 h5 0
14 Ke6 0
15 Kd6 0
16 Bg7 0
17 Bh6 0
18 Ke8 0