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

Book: ∞ / 0

# move proof disproof
1 Kd8 0
2 Kc6 0
3 Kd6 0
4 Kc7 0
5 g4 0
6 b4 0
7 f6 0
8 e6 0
9 e5 0
10 Ke6 0
11 Na6 0
12 Bg7 0
13 Nc6 0
14 Ke8 0
15 f5 0
16 Nf6 0
17 Bb7 0
18 Ba6 0
19 Nh6 0
20 Bh6 0