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

Book: ∞ / 0

# move proof disproof
1 Nh6 0
2 a5 0
3 Nc6 0
4 Na6 0
5 Kd8 0
6 Ba6 0
7 Ke8 0
8 Bg7 0
9 Bb7 0
10 c5 0
11 c6 0
12 a6 0
13 e5 0
14 e6 0
15 Bh6 0
16 Kc6 0
17 Nf6 0
18 Kd6 0
19 Ke6 0