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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 Bg7 0
3 Nf6 0
4 f6 0
5 Nd7 0
6 Ra7 0
7 Kd7 0
8 Kf6 0
9 Kd6 0
10 Kd5 0
11 f5 0
12 Kf5 0
13 Rg8 0
14 Bb7 0
15 Bd7 0
16 Bh6 0
17 Ke5 0
18 Nc6 0