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

Book: ∞ / 0

# move proof disproof
1 f5 0
2 h5 0
3 Nd7 0
4 c6 0
5 Bg7 0
6 Nc6 0
7 Kd8 0
8 e5 0
9 f6 0
10 Kd7 0
11 e6 0
12 Ra7 0
13 a5 0