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

Book: ∞ / 0

# move proof disproof
1 c5 0
2 Bb7 0
3 Bg7 0
4 a5 0
5 Kd6 0
6 Ke6 0
7 e6 0
8 e5 0
9 Ke8 0
10 Kc6 0
11 Nc6 0
12 Ra7 0
13 c6 0
14 Qe8 0
15 Bh6 0