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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 Ng4 0
3 g6 0
4 e5 0
5 Nf5 0
6 g5 0
7 Nc6 0
8 Kd7 0
9 Nd7 0
10 Kd8 0
11 Kf7 0
12 Rh8 0
13 Nf7 0