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

Book: ∞ / 0

# move proof disproof
1 a6 0
2 g6 0
3 Ba6 0
4 d6 0
5 d5 0
6 g5 0
7 Kh5 0
8 Bb7 0
9 Rb8 0
10 Nf6 0
11 Kg6 0
12 e6 0
13 Kg5 0