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

Book: ∞ / 0

# move proof disproof
1 e6 0
2 e5 0
3 f6 0
4 Kd8 0
5 Kd7 0
6 Nc6 0
7 a5 0
8 Bg7 0
9 Ra7 0
10 c6 0
11 Nd7 0
12 f5 0
13 h5 0
14 c5 0