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

Book: ∞ / 0

# move proof disproof
1 Nb8 0
2 c5 0
3 Ke8 0
4 Nc5 0
5 Ke6 0
6 Ke7 0
7 Bb7 0
8 Ra7 0
9 g4 0
10 Nb4 0
11 c6 0
12 Kd8 0
13 Rb8 0
14 Kc6 0
15 Kd6 0