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

Book: ∞ / 0

# move proof disproof
1 Kf6 0
2 Kf7 0
3 d5 0
4 d6 0
5 Bb4 0
6 Bb7 0
7 Kh6 0
8 Bd6 0
9 Ba3 0
10 Be7 0
11 h5 0
12 Rg8 0
13 h6 0
14 Kg8 0
15 Kg6 0
16 Bc5 0