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

Book: ∞ / 0

# move proof disproof
1 Bb7 0
2 f5 0
3 Nf6 0
4 Ba6 0
5 g4 0
6 a5 0
7 e5 0
8 c4 0
9 Na6 0
10 Nc6 0
11 Ke8 0
12 Kd8 0
13 Ke6 0
14 Kd6 0
15 Kc6 0
16 Rg8 0
17 Bg7 0
18 Bh6 0
19 f6 0
20 e6 0
21 a6 0
22 Kc7 0