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

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 Rd8 0
3 h5 0
4 e6 0
5 f6 0
6 e5 0
7 Rb8 0
8 Ra8 0
9 Bg7 0