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

Book: ∞ / 0

# move proof disproof
1 Ba3 0
2 Be7 0
3 a5 0
4 e5 0
5 Rg8 0
6 d6 0
7 Ba6 0
8 h5 0
9 Bc5 0
10 d5 0
11 Bd6 0
12 Bg7 0
13 Bb4 0
14 Rb8 0
15 a6 0
16 Bb7 0