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

Book: ∞ / 0

# move proof disproof
1 Nh6 0
2 h6 0
3 d6 0
4 a5 0
5 d5 0
6 a6 0
7 Na6 0
8 f5 0
9 Nc6 0
10 e6 0
11 e5 0
12 Kd8 0
13 Kf7 0
14 g5 0
15 g6 0
16 b6 0
17 h5 0