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

Book: ∞ / 0

# move proof disproof
1 Na6 0
2 Ke5 0
3 c3 0
4 Kd6 0
5 Nd7 0
6 Bb7 0
7 Nc6 0
8 Kd7 0
9 Ba6 0
10 Kf5 0
11 Kf6 0
12 Ke7 0
13 Kf7 0
14 Bd7 0
15 Kd5 0
16 a6 0
17 a5 0