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

Book: ∞ / 0

# move proof disproof
1 Rd8 0
2 Re8 0
3 Rc8 0
4 e6 0
5 Ne6 0
6 h4 0
7 Rh8 0
8 Nd7 0
9 Rb8 0
10 Nh7 0
11 Rg7 0
12 a6 0
13 c6 0
14 a5 0
15 c5 0
16 g5 0