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

Book: ∞ / 0

# move proof disproof
1 Kd8 0
2 b4 0
3 Nh6 0
4 g6 0
5 f6 0
6 Na6 0
7 a6 0
8 f5 0
9 e5 0
10 e6 0
11 Nf6 0
12 d5 0
13 d6 0
14 g5 0
15 Nc6 0
16 b6 0