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

Book: ∞ / 0

# move proof disproof
1 Bh6 0
2 f5 0
3 Nf6 0
4 f6 0
5 e6 0
6 Rg8 0
7 Na6 0
8 e5 0
9 a6 0
10 Nc6 0
11 Ke8 0
12 Kd8 0
13 Kc7 0
14 Kc6 0
15 a5 0
16 Ba6 0
17 Bb7 0
18 Bg7 0
19 g4 0
20 Kd6 0
21 Ke6 0