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

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 f6 0
3 e5 0
4 e6 0
5 h5 0
6 Rd8 0
7 Nd7 0
8 Na6 0
9 Bg7 0
10 Nc6 0