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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 b6 0
3 f6 0
4 a5 0
5 d5 0
6 Bh6 0
7 Kd8 0
8 Nh6 0
9 Bg7 0
10 d6 0
11 Nc6 0
12 Na6 0
13 Nf6 0
14 a6 0
15 e6 0
16 f5 0
17 e5 0