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

Book: ∞ / 0

# move proof disproof
1 b6 0
2 Kd8 0
3 Kf7 0
4 Rh7 0
5 Na6 0
6 Nc6 0
7 d5 0
8 a5 0
9 d6 0
10 e6 0
11 Bg7 0
12 a6 0
13 f5 0
14 e5 0
15 h5 0