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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Kh7 0
3 Kf7 0
4 Kf6 0
5 Rh7 0
6 a6 0
7 Ba6 0
8 Rb8 0
9 Kg5 0
10 Kf5 0
11 Kh5 0
12 h5 0
13 Nf6 0
14 e5 0
15 Bd7 0
16 Bb7 0