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

Book: ∞ / 0

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