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

Book: ∞ / 0

# move proof disproof
1 Ke8 0
2 e5 0
3 e6 0
4 c6 0
5 Ba6 0
6 Bb7 0
7 a5 0
8 Kd6 0
9 Kd8 0
10 Ke6 0
11 Kc6 0
12 Nc6 0
13 Na6 0
14 a6 0
15 c5 0