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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 b6 0
3 Kd8 0
4 a5 0
5 Bh6 0
6 e6 0
7 f5 0
8 g5 0
9 Nh6 0
10 d6 0
11 d5 0
12 a6 0
13 e5 0
14 Nf6 0
15 Nc6 0
16 Na6 0
17 Bg7 0