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

Book: ∞ / 0

# move proof disproof
1 f6 0
2 Nc7 0
3 Nf6 0
4 Nb8 0
5 Rg8 0
6 Bh6 0
7 b3 0
8 f5 0
9 Bb7 0
10 Nc5 0
11 Rb8 0
12 Ke7 0
13 Bg7 0
14 Bd6 0
15 Bc5 0
16 Ke8 0
17 Kd8 0
18 Kc7 0
19 Kc6 0
20 Kd6 0
21 Ke6 0
22 Be7 0