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

Book: ∞ / 0

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