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

Book: ∞ / 0

# move proof disproof
1 Kd8 0
2 Ke8 0
3 Ke7 0
4 Kd6 0
5 Kc6 0
6 c5 0
7 Nh6 0
8 Ne7 0
9 Ba6 0
10 h6 0
11 h5 0
12 Nf6 0
13 Nc6 0
14 Na6 0
15 a5 0
16 c6 0
17 Bb7 0
18 a6 0
19 Ke6 0