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

Book: ∞ / 0

# move proof disproof
1 Nb8 0
2 c6 0
3 c5 0
4 Kd8 0
5 Nh6 0
6 Kc6 0
7 Nb4 0
8 Rb8 0
9 Ke6 0
10 Nf6 0
11 Nc5 0
12 Ne7 0
13 Kd6 0
14 Bb7 0
15 Ke7 0
16 Ke8 0