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

Book: ∞ / 0

# move proof disproof
1 Bd7 0
2 h5 0
3 e5 0
4 Be7 0
5 Nh6 0
6 a6 0
7 Bd6 0
8 Bh6 0
9 Ba6 0
10 h6 0
11 Ne7 0
12 a5 0
13 Bb7 0
14 Nf6 0
15 g5 0
16 Bg7 0