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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 Kd6 0
3 Bb7 0
4 e5 0
5 Na6 0
6 Nc6 0
7 Kc6 0
8 Kd8 0
9 Ke8 0
10 c5 0
11 a6 0
12 c6 0
13 e6 0
14 a5 0
15 f5 0
16 Ba6 0