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

Book: ∞ / 0

# move proof disproof
1 Rh7 0
2 Re8 0
3 Bg7 0
4 g4 0
5 Rc8 0
6 Rd8 0
7 Nf6 0
8 Rb8 0
9 a6 0
10 a5 0