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

Book: ∞ / 0

# move proof disproof
1 Nh6 0
2 Bg7 0
3 Nf6 0
4 Na6 0
5 e6 0
6 Kd6 0
7 c5 0
8 Ke8 0
9 Kd8 0
10 Kc7 0
11 a5 0
12 Bh6 0
13 e5 0
14 Bb7 0
15 Ke6 0
16 a6 0
17 Ba6 0