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

Book: ∞ / 0

# move proof disproof
1 e5 0
2 Ra8 0
3 Nb5 0
4 Nc8 0
5 Nc6 0
6 f5 0
7 h5 0
8 e6 0
9 Rb8 0
10 Rd8 0
11 Rc8 0
12 Bg7 0