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

Book: ∞ / 0

# move proof disproof
1 Bh3 0
2 Bc6 0
3 Na6 0
4 a5 0
5 Nc6 0
6 c6 0
7 a6 0
8 c5 0
9 Ba4 0
10 Bf5 0
11 Bc8 0
12 Bg4 0
13 Be8 0
14 Bb5 0
15 Be6 0
16 e4 0