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

Book: ∞ / 0

# move proof disproof
1 Ng8 0
2 Kd8 0
3 Kd7 0
4 a6 0
5 c5 0
6 f6 0
7 f5 0
8 Nf5 0
9 Bg7 0
10 e6 0
11 Rb8 0
12 Rc8 0
13 Ng4 0
14 Rd8 0
15 a5 0