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

Book: ∞ / 0

# move proof disproof
1 Ke6 0
2 Ba6 0
3 e6 0
4 c4 0
5 Bb7 0
6 Na6 0
7 e5 0
8 Kd6 0
9 Nc6 0
10 Ke8 0
11 Kd8 0
12 Kc7 0
13 Kc6 0