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

Book: ∞ / 0

# move proof disproof
1 g6 0
2 g5 0
3 d5 0
4 Bb7 0
5 Rb8 0
6 h5 0
7 d6 0
8 Nf6 0
9 Nh6 0
10 h6 0
11 Ra7 0
12 e6 0
13 e5 0