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

Book: ∞ / 0

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