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

Book: ∞ / 0

# move proof disproof
1 Kc7 0
2 g5 0
3 Ra7 0
4 a5 0
5 Kd6 0
6 Bb7 0
7 Kc6 0
8 Ke6 0
9 Ke8 0
10 Kd8 0
11 Nc6 0
12 Ke7 0