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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 Ra7 0
3 e5 0
4 Nh6 0
5 Bg7 0
6 Nf6 0
7 g4 0
8 Rd8 0
9 Bc8 0
10 Rc8 0
11 h6 0
12 h5 0
13 e6 0
14 Rb8 0
15 Bh6 0
16 c5 0
17 a5 0