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

Book: ∞ / 0

# move proof disproof
1 h3 0
2 h6 0
3 h5 0
4 d5 0
5 Nh6 0
6 Bb7 0
7 Rb8 0
8 d6 0
9 Ba6 0
10 a6 0
11 Nf6 0
12 e5 0
13 e6 0