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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 Ke6 0
3 Rb8 0
4 f5 0
5 Ra7 0
6 Bb7 0
7 a5 0
8 e6 0
9 e5 0
10 g5 0
11 g6 0
12 Rh7 0
13 Kc6 0
14 Kd6 0
15 Kc7 0
16 Kd8 0
17 Ke8 0