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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 g4 0
3 Bg7 0
4 f5 0
5 Bf8 0
6 Nc6 0
7 Kc6 0
8 e6 0
9 f6 0
10 e5 0
11 Ra7 0
12 Kd6 0
13 Ke6 0
14 Kc8 0
15 Kd8 0
16 Ke8 0