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

Book: ∞ / 0

# move proof disproof
1 Kh4 0
2 e5 0
3 Kg6 0
4 Kh6 0
5 Kf6 0
6 Kh5 0
7 Bb7 0
8 a6 0
9 g6 0
10 h6 0
11 h5 0
12 Nf6 0
13 Nh6 0
14 Ne7 0
15 Kf5 0
16 Kg4 0
17 Ba6 0
18 Bd7 0
19 Kf4 0
20 Rb8 0