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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Kd8 0
3 Nf6 0
4 g6 0
5 d6 0
6 Rh7 0
7 b6 0
8 a5 0
9 a6 0
10 e6 0
11 f5 0
12 e5 0
13 g5 0
14 d5 0
15 Nc6 0
16 Na6 0