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

Book: ∞ / 0

# move proof disproof
1 Rd8 0
2 e5 0
3 e6 0
4 f6 0
5 h5 0
6 Bg7 0
7 Rc8 0
8 Rb8 0
9 Nc6 0
10 Re8 0
11 Nc8 0
12 Nb5 0