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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 e5 0
3 f6 0
4 a5 0
5 Ra7 0
6 Ke8 0
7 Kd8 0
8 Kc7 0
9 Bb7 0
10 f5 0
11 Ke6 0
12 e6 0
13 Kd6 0