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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 e5 0
3 Kc8 0
4 Ke6 0
5 Ke8 0
6 f5 0
7 Kd8 0
8 Bg7 0
9 h5 0
10 Na6 0
11 Kd6 0
12 Kc7 0
13 f6 0
14 e6 0