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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 Bh6 0
3 e6 0
4 Ke6 0
5 Kf6 0
6 Kg6 0
7 Kg8 0
8 Ke8 0
9 Kg7 0
10 Bb7 0
11 Ba6 0
12 Nf6 0
13 Rg8 0
14 d5 0
15 e5 0
16 Bg7 0
17 g4 0
18 d6 0
19 Rb8 0