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 Bg7 0
4 Kc7 0
5 Nc6 0
6 Kd6 0
7 a5 0
8 Bb7 0
9 a6 0
10 Kd8 0
11 Nh6 0
12 Na6 0
13 e6 0
14 Ke6 0
15 Ba6 0
16 Bh6 0
17 Nf6 0