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

Book: ∞ / 0

# move proof disproof
1 Nh6 0
2 h5 0
3 f5 0
4 e6 0
5 Ke8 0
6 Kd8 0
7 g5 0
8 h6 0
9 Ra7 0
10 Bb7 0
11 e5 0
12 Kc7 0
13 Kd6 0
14 Ke6 0
15 a5 0