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

Book: ∞ / 0

# move proof disproof
1 h6 0
2 Nf6 0
3 Nh6 0
4 Bb7 0
5 Bc8 0
6 g4 0
7 h5 0
8 Rd8 0
9 e5 0
10 e6 0
11 Bg7 0
12 Ra8 0
13 Rb8 0
14 Bh6 0
15 Rc8 0