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

Book: ∞ / 0

# move proof disproof
1 Bb7 0
2 f6 0
3 a5 0
4 Ba6 0
5 g4 0
6 Bg7 0
7 f5 0
8 Rg8 0
9 Bh6 0
10 Bd6 0
11 a6 0
12 Na6 0
13 Nc6 0
14 Kc6 0
15 Kd6 0
16 Kc7 0
17 Ke7 0
18 Kd8 0
19 Ke8 0
20 e5 0
21 Be7 0
22 c4 0
23 Nf6 0