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

Book: ∞ / 0

# move proof disproof
1 Kf8 0
2 f6 0
3 Bf8 0
4 d5 0
5 g4 0
6 c5 0
7 a5 0
8 c6 0
9 e6 0
10 Bg7 0
11 e5 0
12 d6 0
13 f5 0
14 Nc6 0
15 Bb7 0