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

Book: ∞ / 0

# move proof disproof
1 g4 0
2 f6 0
3 c5 0
4 Kd5 0
5 Bh6 0
6 Nf6 0
7 Nd7 0
8 Ra7 0
9 Rg6 0
10 Rg7 0
11 Kd7 0
12 Bd7 0
13 c6 0
14 Kd6 0
15 Kf6 0
16 Nc6 0
17 f5 0
18 Rh8 0
19 Bg7 0
20 Kf5 0
21 Bb7 0
22 Ke5 0