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

Book: ∞ / 0

# move proof disproof
1 Kh6 0
2 Ba6 0
3 h5 0
4 g5 0
5 Bb7 0
6 a6 0
7 Kf7 0
8 h6 0
9 d6 0
10 d5 0
11 Nf6 0
12 Rb8 0
13 Nh6 0
14 Kf6 0
15 e6 0