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

Book: ∞ / 0

# move proof disproof
1 Rc8 0
2 Re8 0
3 e6 0
4 c5 0
5 Rd8 0
6 a6 0
7 Rf7 0
8 Nd7 0
9 h5 0
10 h6 0
11 Rb8 0
12 g5 0
13 Ne6 0
14 c6 0
15 Rg8 0
16 a5 0