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

Book: ∞ / 0

# move proof disproof
1 Nh6 0
2 Ne7 0
3 c5 0
4 Na6 0
5 Nc6 0
6 a5 0
7 a6 0
8 c6 0
9 Ke6 0
10 Nf6 0
11 Kd8 0
12 Ba6 0
13 Bb7 0
14 Kc6 0
15 Kd6 0
16 Ke8 0
17 Ke7 0