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

Book: ∞ / 0

# move proof disproof
1 Nf6 0
2 f5 0
3 d5 0
4 c5 0
5 c6 0
6 f6 0
7 a5 0
8 Bg7 0
9 Nc6 0
10 Bb7 0
11 Bh6 0
12 d6 0
13 e5 0
14 Nh6 0
15 e6 0