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

Book: ∞ / 0

# move proof disproof
1 Bh3 0
2 Be6 0
3 g4 0
4 a5 0
5 Bf5 0
6 Bg7 0
7 Nf6 0
8 Ke6 0
9 e5 0
10 e6 0
11 Nh6 0
12 b4 0
13 a6 0
14 b6 0
15 Bd7 0
16 Rb8 0
17 Kf6 0
18 Kg6 0
19 Kg7 0
20 Ke8 0
21 Bh6 0
22 Bg4 0