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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 h5 0
3 Nf6 0
4 Nh6 0
5 Be7 0
6 Bb7 0
7 h6 0
8 Ne7 0
9 g5 0
10 a5 0
11 g6 0
12 Bd7 0
13 Bd6 0