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

Book: ∞ / 0

# move proof disproof
1 Re8 0
2 g5 0
3 a6 0
4 e6 0
5 e5 0
6 d5 0
7 a5 0
8 g6 0
9 h5 0
10 Rc8 0
11 d6 0
12 Rh7 0
13 Ra8 0
14 Rb8 0
15 f5 0