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

Book: ∞ / 0

# move proof disproof
1 h5 0
2 e6 0
3 Rg8 0
4 Re8 0
5 h6 0
6 d4 0
7 Ra7 0
8 g5 0
9 Rc8 0
10 g6 0
11 a5 0
12 Rb8 0
13 Rd8 0