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

Book: ∞ / 0

# move proof disproof
1 Nc8 0
2 e6 0
3 f5 0
4 e5 0
5 Rd8 0
6 Rb8 0
7 Bh6 0
8 Ra8 0
9 f6 0
10 Rc8 0
11 Nb5 0
12 Nc6 0
13 Bg7 0