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

Book: ∞ / 0

# move proof disproof
1 Ng8 0
2 a5 0
3 c6 0
4 c5 0
5 Ng6 0
6 Na6 0
7 Nbc6 0
8 Nd5 0
9 Nec6 0
10 a6 0
11 Nf5 0
12 Ba6 0
13 Bb7 0
14 Ke8 0
15 Kc6 0
16 Kd8 0
17 Kd6 0
18 Ke6 0