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

Book: ∞ / 0

# move proof disproof
1 Bc8 0
2 Kd6 0
3 Be8 0
4 Kf5 0
5 Na6 0
6 Bb5 0
7 Ke7 0
8 e4 0
9 Kf6 0
10 Ba4 0
11 Kd5 0
12 Nc6 0
13 Bc6 0
14 a6 0
15 f6 0
16 a5 0
17 f5 0