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

Book: ∞ / 0

# move proof disproof
1 c6 0
2 f6 0
3 e3 0
4 f5 0
5 c5 0
6 Bb7 0
7 Na6 0
8 Nc6 0
9 Kc6 0
10 Kd6 0
11 Ke7 0
12 Kd8 0
13 Ke8 0
14 a5 0
15 a6 0
16 Ke6 0
17 Ba6 0