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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 Rc8 0
3 h5 0
4 e6 0
5 Rb8 0
6 a6 0
7 c6 0
8 g5 0
9 Ne6 0
10 Rg8 0
11 c5 0
12 Rd8 0
13 Nd7 0
14 a5 0
15 h6 0