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

Book: ∞ / 0

# move proof disproof
1 Kf8 0
2 Kd8 0
3 Ke7 0
4 Kf7 0
5 h5 0
6 a6 0
7 g5 0
8 Nf6 0
9 Nh6 0
10 Ne7 0
11 h6 0
12 Bb7 0
13 g6 0
14 d5 0
15 d6 0
16 Rb8 0
17 Ba6 0