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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 g6 0
3 Nh6 0
4 g5 0
5 b4 0
6 f5 0
7 d5 0
8 d6 0
9 e5 0
10 Nc6 0
11 Nf6 0
12 b6 0
13 e6 0
14 Kd8 0
15 Na6 0