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

Book: ∞ / 0

# move proof disproof
1 Ke8 0
2 Kc6 0
3 a5 0
4 h5 0
5 c6 0
6 e6 0
7 e5 0
8 Nf6 0
9 Kd6 0
10 Bg7 0
11 Nc6 0
12 Ke6 0
13 c5 0
14 Bb7 0
15 Qe8 0
16 Ra7 0