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

Book: ∞ / 0

# move proof disproof
1 Rh6 0
2 Rh7 0
3 Kh7 0
4 d5 0
5 d6 0
6 Nf6 0
7 a6 0
8 Kf6 0
9 Kf7 0
10 Nh6 0
11 Bb7 0
12 Rb8 0
13 Kg5 0
14 h4 0
15 Ba6 0
16 Kf5 0
17 e6 0
18 Kh6 0