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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 c5 0
3 Nh7 0
4 Rd8 0
5 Ng6 0
6 Nd7 0
7 a5 0
8 e5 0
9 Rh7 0
10 g6 0
11 Re8 0
12 Rc8 0
13 a6 0
14 c6 0
15 Rg8 0
16 g5 0
17 h5 0