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

Book: ∞ / 0

# move proof disproof
1 a5 0
2 d5 0
3 Nf6 0
4 d6 0
5 h5 0
6 Bb7 0
7 Nh6 0
8 Rb8 0
9 Ra7 0
10 g5 0
11 Ne7 0
12 h6 0
13 g6 0