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

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 d5 0
3 Rd8 0
4 g4 0
5 e6 0
6 d6 0
7 f6 0
8 Rh7 0
9 Kd8 0
10 b6 0
11 Ra8 0
12 f5 0
13 b4 0
14 Nf6 0
15 e5 0
16 h5 0
17 Bg7 0