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

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 g6 0
3 Rh8 0
4 Rd8 0
5 Rb8 0
6 Ng6 0
7 Nd7 0
8 g5 0
9 h5 0
10 a5 0
11 a6 0
12 h6 0
13 c6 0
14 c5 0
15 Re8 0