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

Book: ∞ / 0

# move proof disproof
1 Kf5 0
2 a6 0
3 d5 0
4 Bh6 0
5 Kg5 0
6 d6 0
7 e6 0
8 Bf8 0
9 Ke5 0
10 Bh8 0
11 Rb8 0
12 g5 0
13 e5 0
14 Ba6 0
15 Bb7 0
16 Ke6 0
17 Kf7 0