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

Book: ∞ / 0

# move proof disproof
1 Ke8 0
2 Kc8 0
3 e5 0
4 a6 0
5 e6 0
6 Bg7 0
7 a5 0
8 Nd7 0
9 Na6 0
10 Kc7 0
11 Kd7 0
12 f6 0
13 h5 0
14 f5 0