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

Book: ∞ / 0

# move proof disproof
1 Kd7 0
2 Na6 0
3 Nd7 0
4 e5 0
5 e6 0
6 a5 0
7 Nf6 0
8 a6 0
9 h5 0
10 Kf7 0
11 Kd8 0
12 Bg7 0