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

Book: ∞ / 0

# move proof disproof
1 Bc6 0
2 Ba6 0
3 Bd5 0
4 Kd6 0
5 Na6 0
6 a5 0
7 a6 0
8 f6 0
9 e3 0
10 Ke8 0
11 Kd8 0
12 Kc8 0
13 Ke7 0
14 f5 0
15 Kc6 0
16 c5 0
17 Nc6 0
18 c6 0
19 Ke6 0
20 Bc8 0