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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Nf6 0
3 h5 0
4 Nh6 0
5 e5 0
6 Nd7 0
7 h6 0
8 Nc6 0
9 g5 0
10 g6 0
11 Kd8 0
12 Kf7 0
13 Kd7 0