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

Book: ∞ / 0

# move proof disproof
1 Kc6 0
2 Kc7 0
3 Kd8 0
4 Ke8 0
5 Bb7 0
6 Bh6 0
7 Nf6 0
8 Nc6 0
9 Nh6 0
10 Ra7 0
11 a5 0
12 Kd6 0
13 e5 0
14 Ke6 0
15 Bg7 0
16 e6 0