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

Book: ∞ / 0

# move proof disproof
1 Bg7 0
2 Bb7 0
3 Rb8 0
4 f3 0
5 Bh6 0
6 Bh3 0
7 Ba6 0
8 e4 0
9 Bg4 0
10 Bf5 0
11 Be6 0
12 h6 0
13 Bd7 0
14 a5 0
15 Nh6 0
16 Nf6 0
17 a6 0
18 e6 0