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

Book: ∞ / 0

# move proof disproof
1 Kc6 0
2 Nc6 0
3 Bb7 0
4 c6 0
5 Na6 0
6 Nf6 0
7 a5 0
8 Kd8 0
9 c5 0
10 Ba6 0
11 Ke8 0
12 Nh6 0
13 Ne7 0
14 Kd6 0
15 Ke6 0
16 Ke7 0
17 a6 0