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

Book: ∞ / 0

# move proof disproof
1 Nc6 0
2 g6 0
3 Nh6 0
4 Nf6 0
5 g5 0
6 a6 0
7 Kd8 0
8 f6 0
9 d6 0
10 e6 0
11 f5 0
12 d5 0
13 Na6 0
14 a5 0
15 e5 0
16 h4 0