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

Book: ∞ / 0

# move proof disproof
1 h6 0
2 Ne7 0
3 Kd8 0
4 Kf8 0
5 Kf7 0
6 Ke7 0
7 a6 0
8 Ba6 0
9 Rb8 0
10 Bb7 0
11 h5 0
12 d6 0
13 Nf6 0
14 d5 0
15 g5 0
16 Nh6 0