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

Book: ∞ / 0

# move proof disproof
1 Kd7 0
2 Kd6 0
3 c6 0
4 Nf6 0
5 Kd5 0
6 Kf6 0
7 f6 0
8 a6 0
9 Na6 0
10 Nd7 0
11 Bg7 0
12 Bf8 0
13 Nc6 0
14 Ke5 0
15 Kf5 0
16 f5 0
17 a5 0
18 g4 0