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

Book: ∞ / 0

# move proof disproof
1 Rb8 0
2 b5 0
3 Nh6 0
4 b6 0
5 a5 0
6 a6 0
7 f6 0
8 f5 0
9 g5 0
10 c6 0
11 Nc2 0
12 Nf6 0
13 d6 0
14 d5 0
15 g6 0
16 e6 0
17 c5 0
18 Nb3 0