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

Book: ∞ / 0

# move proof disproof
1 Kd8 0
2 c5 0
3 e6 0
4 a6 0
5 Ke8 0
6 Kc7 0
7 Bb7 0
8 Ba6 0
9 e5 0
10 Na6 0
11 Kd6 0
12 f6 0
13 Ke6 0
14 f5 0
15 a5 0