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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 e4 0
3 a5 0
4 Nc6 0
5 c5 0
6 Ke6 0
7 Ra7 0
8 Bb7 0
9 g5 0
10 Ke7 0
11 Kd8 0
12 Ke8 0
13 Kd6 0
14 Kc6 0