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

Book: ∞ / 0

# move proof disproof
1 Kb6 0
2 Kd8 0
3 Kc6 0
4 Kd7 0
5 Nc6 0
6 Kb7 0
7 Bb7 0
8 e5 0
9 Nd7 0
10 Kd6 0
11 Ba6 0
12 a6 0
13 Na6 0
14 a5 0
15 Bd7 0